sea lamprey

noun

Definition of sea lamprey

: a large anadromous lamprey (Petromyzon marinus) that has a mottled upper surface, is an ectoparasite of fish, and is sometimes used as food

Recent Examples of sea lamprey from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sea lamprey.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sea lamprey

1879


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