shuttle

Definitions

• (weaving) The part of a loom that carries the woof back and forth between the warp threads.
• 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.
• A transport service (such as a bus or train) that goes back and forth between two places, sometimes more.
• Such a transport vehicle; a shuttle bus; a space shuttle.
• 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).
• A shuttlecock.
• A shutter, as for a channel for molten metal.