Pronunciation: (hē'tur), [key]
1. any of various apparatus for heating, esp. for heating water or the air in a room.
2. Electronics.the element of a vacuum tube that carries the current for heating a cathode.
3. Slang.a pistol, revolver, or other firearm.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.