Shuttle1. (n.) An instrument used in weaving for passing or shooting the thread of the woof from one side of the cloth to the other between the threads of the warp.
2. (n.) 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.
3. (n.) A shutter, as for a channel for molten metal.
4. (v. i.) To move backwards and forwards, like a shuttle.
Thesaurus Entries
Amtrak, air transport, air travel, airfreight, alternate, back and fill, baggage train, battledore and shuttlecock, cable railroad, choo-choo, cog railroad, cog railway, come and go, commute, ebb and flow, el, electric, electric train, elevated, express, express train, flier, freight, freight train, freighter, funicular, goods train, hand loom, hitch and hike, interurban, knitting machine, lightning express, limited, local, loom, metro, metronome, milk train, monorail, oscillator, parliamentary, parliamentary train, pass and repass, passenger train, pendulum, rack-and-pinion railroad, railroad train, range, rattler, reciprocate, ride and tie, rocker, rocking chair, rocking stone, rolling stock, seesaw, shunt, shuttle service, shuttle train, shuttlecock, special, streamliner, subway, swing, teeter, teeter-totter, teeterboard, teetery-bender, to-and-fro, train, tube, underground, vibrator, wax and wane, way train, weaver, wibble-wabble, wigwag, zigzag