snap ring
Also found in: Dictionary, Thesaurus, Wikipedia.
snap ring
[′snap ‚riŋ] (design engineering)
A form of spring used as a fastener; the ring is elastically deformed, put in place, and allowed to snap back toward its unstressed position into a groove or recess.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.