from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A flat ring made of rubber or plastic, used as a gasket.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A circular gasket, usually made of rubber.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gasket consisting of a flat ring of rubber or plastic; used to seal a joint against high pressure
Sorry, no etymologies found.