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



BrE BrE//ˈlæmpri//
; NAmE NAmE//ˈlæmpri//
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a freshwater fish with a round mouth that attaches itself to other fish and sucks their blood See related entries: Fish Word Origin Middle English: from Old French lampreie, from medieval Latin lampreda, probably from Latin lambere ‘to lick’ + petra ‘stone’ (because the lamprey attaches itself to stones using its mouth).
See the Oxford Advanced American Dictionary entry: lamprey