Valving

What does VALVING mean?

Valving is a form of VALVE.

1. noun

   a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

2. noun

   device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

3. noun

   control consisting of a mechanical device for controlling the flow of a fluid

4. noun

   the entire one-piece shell of a snail and certain other molluscs

Definitions from WordNet 3.1, Princeton University.