Valve
/ˈvælv/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:11 ptsWWF:14 pts5 letters
Definition of Valve
noun
- A device that controls the flow of a gas or fluid through a pipe.
- A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.
- One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or control the flow in the opposite direction
"the ileocolic, mitral, and semilunar valves"
- One of the leaves of a folding-door, or a window-sash.
- A vacuum tube.