A large barrel or cask of indefinite contents, especially one containing from 100 to 140 gallons.
An English measure of capacity for liquids, containing 63 wine gallons, or about 52+¹⁄₂ imperial gallons; a half pipe.
A conduit made of pipes used to convey water, gas or petroleum etc.
A channel (either physical or logical) by which information is transmitted sequentially (that is, the first information in is the first information out).
A system or process through which something is conducted.
The inside of a wave that a surfer is riding, when the wave has started closing over it.
To design (a microchip etc.) so that processing takes place in efficient stages, the output of each stage being fed as input to the next.
To connect a tube from ones mouth to ones anus (or the anus of another), in order to force someone to eat feces.
To convey something by a system of pipes
To lay a system of pipes through something