valve

Definition

• n. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
• n. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
• n. control consisting of a mechanical device for controlling the flow of a fluid
• n. the entire one-piece shell of a snail and certain other molluscs

Word forms

Plural

valves

Example sentences

1. n.

   The valve in the engine controls the flow of fuel.

2. v.

   He needs to valve the water pressure to prevent leaks.