Definitions

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

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