(music) The largest of all musical instruments, played from an organ console which produces its sound by sending air through whistles and/or reeds called organ pipes, by direct mechanical action, or modernly, electrically.

A conduit for the removal of water or waste water.

a pipe that carries off liquid waste; a drain or drainpipe

(explosives) An improvised explosive device consisting of blasting powder or other explosive material encased in a metal pipe to increase the blast effect.

(nautical) A whistle, previously used by boatswain's mates to pipe orders throughout a ship; now used for the ceremonial piping onboard of visiting dignitaries.

(skateboarding, snowboarding, skiing, BMX, rollerskating, kickscootering, etc.) A structure used to perform tricks, approximately semicircular in cross-section, resembling the bottom half of a cylinder laying down.

A pipe that carries off liquid wastes from a toilet

A piece of flexible wire in which tufted fabric is twisted and which is used to clean out the stem of a tobacco pipe or other narrow tube. It can be also used for arts and crafts

An adjustable wrench (British spanner) with a toothed jaw for gripping pipe, frequently used by a plumber or pipe fitter, to loosen and tighten pipes with threaded connections.

(informal) The esophagus/oesophagus.