Definition of greyhound noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈɡreɪhaʊnd//
; NAmE NAmE//ˈɡreɪhaʊnd//
Domesticated mammals
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a large thin dog with smooth hair and long thin legs, that can run very fast and is used in the sport of greyhound racing See related entries: Domesticated mammals Word OriginOld English grīghund; the first element, related to Old Norse grey ‘bitch’, is of unknown origin.
See the Oxford Advanced American Dictionary entry: greyhound