= swan-quill n.; also, a pipe of the width of a swan-quill (cf. pen, n.2 3a) for draining.

Designating components of the apparatus for supplying a utility to a property (cf. sense 32a).

A vertical pipe or tank for raising or storing water, gas, etc., esp. one whose height gives the fluid sufficient pressure to supply a system; spec.…

A pipe used to supply gas or water from a main to individual users; a service pipe (see compounds 1b).

a pipe or duct from which a jet of fluid is expelled; (in later use) spec. the exhaust duct of a jet engine.

a tube designed to provide an outlet or inlet for gases, fluids, etc.

A pipe used for carrying gas. Also: piping used for carrying gas.

Science. A slender tube of small calibre used for obtaining a known small volume of a liquid, esp. in laboratory work, and often incorporating a…

gen. A pipe leading downwards.

Chiefly U.S. A short section of pipe with an external screw thread at each end for coupling.

Engineering. A pipe or tube which conveys liquid or gases downwards; esp. one in a blast furnace for conveying hot gases downwards and into a…

Engineering. A pipe or tube which conveys liquid or gases downwards, esp. in a blast furnace; = downcomer, n. 2. Now rare.

spec. (a) Plumbing. A short pipe with a branch joining it at an acute angle. (b) Electrical Engineering = star, n.1 19.

concrete. A curved drainpipe.

a piece of piping with a branch at an acute angle to the main (cf. T branch n. at T, n. compounds 2).

A pipeline or pipe that carries gasoline or petrol.

a horizontal perforated pipe used to sprinkle or spray water or other liquids, esp. one used to flush a slab urinal.

A vertical pipe for carrying a fluid upwards; spec. (a) one carrying water or steam from one floor to another in a building; (b) one extending…

= riser, n. 11a(b).