noun pet·ro·my·zon \ˌpe‧trōˈmīˌzän\

Definition of petromyzon

  1. 1 capitalized :  a genus (the type of the family Petromyzontidae) of cyclostomes comprising the typical lampreys

  2. 2 plural -s :  any cyclostome of the genus Petromyzon

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Origin and Etymology of petromyzon

New Latin Petromyzont-, Petromyzon, from petr- + -myzont-, -myzon -myzon

Seen and Heard

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feeling or affected by lethargy

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