Regular travel back and forth over an established, often short route by a vehicle.
A vehicle used in such travel: took the shuttle across town.
A route used by a vehicle in such travel: the Washington-New York air shuttle.
A space shuttle.
Travel between disputing parties by a diplomatic intermediary.
To go, move, or travel back and forth by or as if by a shuttle: business people who shuttle between European capitals.
To cause to move back and forth frequently.
To transport by or as if by a shuttle: shuttle a scientific payload to an orbiting space station.