Regular travel back and forth over an established, often short route by a vehicle, A device used in weaving to carry the weft thread back and forth between the warp threads, In sewing-machines, the sliding thread-holder which carries the lower thread between the needle and the upper thread to make a lockstitch. See cuts under sewing-machine, intransitive verb_ To move backwards and forwards, like a shuttle, To go, move, or travel back and forth, especially by a shuttle, To transport, especially by a shuttle, verb_ transitive To transport by shuttle or by means of a shuttle service, verb_ travel back and forth between two points