SHUTTLE

v. travel back and forth; transport back and forth

n. device that holds the horizontal thread and passes it through the vertical threads (Weaving); lower bobbin in a sewing machine; transportation route connecting two locations; vehicle that transports people over a short route (boat, bus, etc.); birdie, ball of cork or rubber with a crown of feathers used in badminton

adj. transporting people over a short route (boat, bus, etc.)

The word shuttle can have several meanings. In general, it is something which travels back and forth between places in a regular and relatively frequent manner.
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Noun
1. badminton equipment consisting of a ball of cork or rubber with a crown of feathers
(synonym) shuttlecock, bird, birdie
(hypernym) badminton equipment
2. public transport that consists of a bus or train or airplane that plies back and forth between two points
(hypernym) public transport
(hyponym) shuttle bus
3. bobbin that passes the weft thread between the warp threads
(hypernym) bobbin, spool, reel
Verb
1. travel back and forth between two points
(hypernym) travel, go, move, locomote

n. shuttle, transportation route connecting two locations; vehicle that transports people over a short route (boat, bus, etc.)

n. space shuttle, spacecraft for transporting astronauts into space