Often, bagpipes. a reed instrument consisting of a melody pipe and one or more accompanying drone pipes protruding from a windbag into which the air is blown by the mouth or a bellows.
Nautical. to back (a fore-and-aft sail) by hauling the sheet to windward.
any of a family of musical wind instruments in which sounds are produced in reed pipes supplied with air from a bag inflated either by the player's mouth, as in the Irish bagpipes or Highland bagpipes of Scotland, or by arm-operated bellows, as in the Northumbrian bagpipes
(modifier) of or relating to the bagpipes: a bagpipe maker