- a small peg or plug for stopping the vent of a cask.
- a peg or plug for stopping the passage of liquid in a faucet or cock.
- a faucet or cock for controlling the flow of liquid from a pipe or the like.
- the end of a pipe that enters the enlarged end of another pipe to form a joint.
- a stopper for the vent hole of a cask
- a tap, usually of wood, fitted to a cask
- a US name for tap 2 (def. 1)
- a short cylindrical projection on one component designed to fit into a hole on another, esp the male part of a joint (spigot and socket joint) between two pipes