Apparently: a narrow, elongated section of pipe.

A device resembling a nipple (sense 1) in form and serving to dispense a liquid or gas in controlled amounts.

An object which surmounts or is set astride another. A subsidiary pipe, esp. one opening out of a larger one and running above and parallel to it. Obs…

Something resembling a shoe (sense 1 or 4) in shape, position, or function. The short section which turns out the water at the foot of a water pipe.

gen. A pipe, or piece of piping, forming the end of another pipe or tube.

Technical uses. Plumbing. A strip of lead having one end soldered to a pipe, and the other fastened to a wall or support.

a valve placed in a short rectangular section of a pipe.

An end of a rod, pipe, tube, etc., which is flared or curved like a bell.

A widening-out of the end of a lead pipe into a broad thin flange.

a joint between two pipes, made by tafting one pipe, shaping the other to fit into it, and soldering them.

a projecting flat part of a pipe, having a hole by which it may be fixed to a wall.

Plumbing. A short length of pipe used as a connecting piece between two components or taking the form of a projection from a fitting to which a pipe…