A plant of the genus Aristolochia. / A night-blooming cereus, of the species Epiphyllum oxypetalum. / A yellow bird's-nest or pinesap, of the species Monotropa hypopitys.

(computing) An extension to the anonymous pipe concept on Unix and Unix-like systems, used for interprocess communication.

(computing) A simplex FIFO communication channel that may be used for one-way interprocess communication.

(music) A pipe organ tube with a uniform diameter, one closed end and one open end.

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

A pipe that is a conduit for water; an essential element of plumbing. / A device for smoking, such as a hookah or bong, in which the smoke is drawn through a container of water before inhaling.

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

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

(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.

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.