noun
definition
The part of a loom that carries the woof back and forth between the warp threads.
definition
The sliding thread holder in a sewing machine, which carries the lower thread through a loop of the upper thread, to make a lock stitch.
definition
A transport service (such as a bus or train) that goes back and forth between two places, sometimes more.
definition
Such a transport vehicle; a shuttle bus; a space shuttle.
definition
Any other item that moves repeatedly back and forth between two positions, possibly transporting something else with it between those points (such as, in chemistry, a molecular shuttle).
definition
A shuttlecock.
definition
A shutter, as for a channel for molten metal.