Definition of: shuttle

(shut′l) noun
1. A device used in weaving to carry the weft to and fro between the warp threads.
2. A similar rotating or other device in a sewing machine or the like.
3. A transport system operating between two nearby points.
—v.t. & v.i. ·tled, ·tling To move to and fro, like a shuttle.
—adjective Pertaining to or designating any contrivance, action, etc., intended to operate back and forth between two points: shuttle bombing. [OE scytel missile; so called because shot to and fro in weaving]
SHUTTLE (def. 1)