Main Entry: lam·prey

Pronunciation: \ˈlam-prē, -ˌprā\

Function: noun

Inflected Form(s): plural lampreys

Etymology: Middle English, from Anglo-French lampreie, from Medieval Latin lampreda

Date: 14th century

: any of a family (Petromyzontidae) of eel-shaped freshwater or anadromous jawless fishes that include those cyclostomes having well-developed eyes and a large disk-shaped suctorial mouth armed with horny teeth —called also lamprey eel