verb
definition
To shape metal by striking it, especially with a peen.
noun
definition
A needle without an eye (usually) made of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.
definition
A small nail with a head and a sharp point.
definition
A cylinder often of wood or metal used to fasten or as a bearing between two parts.
example
Pull the pin out of the grenade before throwing it at the enemy.
definition
The victory condition of holding the opponent's shoulders on the wrestling mat for a prescribed period of time.
definition
A slender object specially designed for use in a specific game or sport, such as skittles or bowling.
definition
(in plural) A leg.
example
I'm not so good on my pins these days.
definition
Any of the individual connecting elements of a multipole electrical connector.
example
The UK standard connector for domestic mains electricity has three pins.
definition
A piece of jewellery that is attached to clothing with a pin.
definition
A simple accessory that can be attached to clothing with a pin or fastener, often round and bearing a design, logo or message, and used for decoration, identification or to show political affiliation, etc.
synonyms
definition
A scenario in which moving a lesser piece to escape from attack would expose a more valuable piece to attack.
definition
The flagstick: the flag-bearing pole which marks the location of a hole
definition
The spot at the exact centre of the house (the target area)
example
The shot landed right on the pin.
definition
A mood, a state of being.
definition
One of a row of pegs in the side of an ancient drinking cup to mark how much each person should drink.
definition
Caligo.
definition
A thing of small value; a trifle.
definition
A peg in musical instruments for increasing or relaxing the tension of the strings.
definition
A short shaft, sometimes forming a bolt, a part of which serves as a journal.
definition
The tenon of a dovetail joint.
definition
A size of brewery cask, equal to half a firkin, or eighth of a barrel.
definition
A pinball machine.
example
I spent most of my time in the arcade playing pins.
verb
definition
(often followed by a preposition such as "to" or "on") To fasten or attach (something) with a pin.
definition
(usually in the passive) To cause (a piece) to be in a pin.
definition
To pin down (someone).
definition
To enclose; to confine; to pen; to pound.
definition
To attach (an icon, application, etc.) to another item.
example
to pin a window to the Taskbar
definition
To fix (an array in memory, a security certificate, etc.) so that it cannot be modified.
example
When marshaling data, the interop marshaler can copy or pin the data being marshaled.
definition
To cause an analog gauge to reach the stop pin at the high end of the range.
synonyms
Examples of pins in a Sentence
She pulled the pins from her hair and scrubbed it and then wiped the rivulets of water from her face.
I'm on pins and needles.
A horizontal arm fixed to a vertical shaft in gear with the mechanism sweeps over these pins at the rate of about two revolutions per second.
The weight W 1 carried by the part of the frame supported by the wheel (whose diameter is D) is transmitted first to the pins P 1, P2, which are fixed to the frame, and then to the spring links L 1, L2, which are jointed at their respective ends to the spring S, the centre of which rests on the axle-box.
Nevertheless the tendency is to use riveted connexions in preference to pins, and in any case to use pins for tension members only.
His big hands were surprisingly gentle as he wrapped her foot and secured it with tiny safety pins.
Each instrument is provided with a keyboard, resembling that of a small piano, the key levers of which communicate with a circular row of vertical pins.
A simple plan is as follows - draw an outline of the country of which a map is to be produced upon a board; mark all points the altitude of which is known or can be estimated by pins or wires clipped off so as to denote the heights; mark river-courses and suitable profiles by strips of vellum and finally finish your model with the aid of a good map, in clay or wax.
These ties are jointed to the hanging chains by pins 20 in.
A rocker bearing under these pins transmits the load at the joint to the steel columns of the towers.
In early pin bridges insufficient bearing area was allowed between the pins and parts connected, and they worked loose.
In some cases riveted covers had to be substituted for the pins.
The span between supports was 259 ft., the clear span 2402 ft.; depth between joint pins 16 ft.
The tension members are of iron and the pins of steel.
It imitates the motions made in polishing a speculum by hand by giving both a rectilinear and a lateral motion to the polisher, while the speculum revolves slowly; by shifting two eccentric pins the course of the polisher can be varied at will from a straight line to an ellipse of very small eccentricity, and a true parabolic figure can thus be obtained.
Both in the town and neighbourhood there are numerous foundries and works for iron, brass, steel and bronze goods, while other manufactures include wire, needles and pins, fish-hooks, machinery, umbrella-frames, thimbles, bits, furniture, chemicals, coffee-mills, and pinchbeck and britanniametal goods.
They are small rat-like rodents, with one pair of upper premolars, which are mere pins, as is the last molar, and the two pairs of limbs of normal length, with the metatarsals separate; the infra-orbital opening in the skull being triangular and widest below, while the incisive foramina in the palate are elongated.
The larvae are killed and hardened by steeping some hours in strong acetic acid; the silk glands are then separated from the bodies, and the vis cous fluid drawn out to the condition of a fine uniform line, which is stretched between pins at the extremity of a board.
The silk to be opened is placed on a latticed sheet or feeder, and thus slowly conveyed to a series of rollers or porcupines (rollers set with rows of projecting steel pins), which hold the silk firmly while presenting it to the action of a large receiving drum, covered with a sheet of vulcanized rubber, set all over with fine steel teeth.
The silk drawn by the rows of teeth on the drum through the porcupine rollers (or porcupine sheets in some cases) covers the whole of the drum, hooked at certain intervals round the teeth; and when a sufficient weight is on the machine, it is stopped, and an attendant cuts, with a knife, the silk along the back of each row of teeth, thus leaving a fringe of silk hooked on the pins or teeth.
These rollers present the silk to a set of fallers (steel bars into which are fixed fine steel pins), which carry forward the silk to another pair of rollers, which draw the silk through the pins of the fallers and present it to the rollers in a continuous way, thus forming a ribbon of silk called a " sliver."
There are manufactures of woollens and pins.
The pins E, F rise out of the back of the fixed plates A and C, at unequal distances from the axis.
The piece K is parallel to G H, and both of them are furnished at their ends with small pieces of flexible wire that they may touch the pins E, F in certain points of their revolution.
For the more equal distribution of the water over the surface of the beds from the conductor and feeders, small masses, such as stones or solid portions of earth or turf fastened with pins, are placed in them, in order to retard the momentum which the water may have acquired.
The women wore two bronze pins, a bracelet on each arm, amber ornaments and a necklace of bronze tubes in spirals.
A small column, as for example a lead pencil standing on end, or a row of pins propped up against suitable supports, or other bodies which are easily overturned, may be used as seismoscopes.
They are most usual on combs and pins; but sacred animals are also found.
Metal-Work.Copper was wrought into pins, a couple of inches long, with loop heads, as early as the oldest prehistoric graves, before the use of weaving, and while pottery was scarcely developed.
Among the town's manufactures are silk and woollen goods, paper, electric elevators, electric lamps, rubber goods, safety pins, hats, cream separators, brushes and novelties.
In the 18th and early r9th centuries the chief industries were huckabacks and coarse cloths, canvas, fustians, pins, glass, sugar-refining and copper.
Each extraneous force W acting on a bar may be replaced (in an infinite number of ways) by two components P, Q in lines through the centres of the pins at the extremities.
We first alter the problem by transferring the forces F, Q to the pins.
If the joint be provided either with projections and recesses, such as murtises and tenons, or with fastenings, such as pins or bolts, so as to resist displacement by sliding, the question of the utmost amount of the tangential resistance CQ which it is capable of exerting depends on the strength of such projections, recesses, or fastenings; and belongs to the subject of strength, and not to that of stability.
Trundles and Pin-Wheels.If a wheel or trundle have cylindrical pins or staves for teeth, the faces of the teeth of a wheel suitable for driving it are described by first tracing external epicycloids, by rolling the pitch-circle of the pin-wheel or trundle on the pitch-circle of the driving-wheel, with the centre of a stave for a tracing-point, and then drawing curves parallel to, and within the epicycloids, at a distance from them equal to the radius of a stave.
The link is known by various names in various circumstances, such as coupling-rod, connectingrod, crank-rod, eccentric-rod, &c. It is attached to the pieces which it connects by two pins, about which it is free to turn.
The effect of the link is to maintain the distance between the axes of those pins invariable; hence the common perpendicular of the axes of the pins is the line of connection, and its extremities may be called the connected points.
The balance weights found as part of the equivalent revolving system when reciprocated by their respective crank pins form the balance weights for the given reciprocating system.
The moving parts of the engine are then divided into two complete and independent systems, namely, one system of revolving weights consisting of crank pins, crank arms, &c., attached to and revolving with the crank shaft, and a second system of reciprocating weights consisting of the pistons, cross-heads, &c., supposed to be moving each in its line of stroke with simple harmonic motion.
The streaks are sometimes partly softened or crushed by means of a steam hammer during the process of opening the bale, then taken to the "strikers-up" where the different varieties are selected and hung on pins, and then taken to the jute softening machine.
The pins in the two rollers oppose each other, those of the workers being "back-set," and this arrangement, combined with the relative angle of the pins, and the difference in the surface speeds of the two rollers, results in part of the fibre being broken and carried round by the worker towards the stripper.
The pins of the stripper and cylinder point in the same direction, but since the surface speed of the cylinder is much greater than the surface speed of the stripper, it follows that the fibre is combed between the two, and that part is carried forward by the cylinder to be reworked.
After passing the last pair of workers and strippers the fibre is carried forward towards the doffing roller, the pins of which are back-set, and the fibre is removed from the cylinder by the doffer, from which it passes between the drawing and pressing rollers into the conductor, and finally between the delivery and pressing rollers into the sliver can.
It may be mentioned that more or less breaking takes place between each pair of rollers, the pins of which are opposed, and that combing and drawing out obtains between those rollers with pins pointing in the same direction.
The main difference between a breaker card and a finisher card is that the latter is fitted with finer pins, that it contains two doffing rollers, and that it usually possesses a greater number of pairs of workers and strippers - a full circular finisher card having four sets.
The designation of the machine indicates the particular method in which the gill pins are moved.
These pins are much finer than those of the breaker and finisher cards, consequently the fibres are more thoroughly separated.
Brewing, flour-milling, distilling, turnery, cotton-bleaching, cidermaking, metal-founding, tanning, and the manufacture of glass, paper, iron ware, nails, pins, wind-instruments, bricks and sugar are also carried on.
The industries include linen and damask weaving, tanning, brewing and the manufacture of pins, chemicals and machinery, and a brisk river trade is carried on in agricultural produce.
Every variety of form is seen, from steep flat-topped table-mountains as near Loughs Neagh and Erne, to peaks such as those of the Twelve Pins or Bens of Connemara.