definition
One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver.
example
The fish's fins minimize water flow.
definition
A similar appendage of a cetacean or other marine animal.
example
a dolphin's fin
definition
A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft.
example
The fin stabilises the plane in flight.
definition
A similar structure on the tail of a bomb, used to help keep it on course.
definition
A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead.
definition
A device worn by divers and swimmers on their feet.
example
The divers wore fins to swim faster.
definition
An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling.
definition
A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder.