biting louse


Definition of biting louse

: any of numerous wingless insects (order Mallophaga) that are parasitic especially on birds

called also bird louse

First Known Use of biting louse

1864, in the meaning defined above

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The first known use of biting louse was in 1864

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Cite this Entry

“Biting louse.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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biting louse


Medical Definition of biting louse

: any of numerous wingless insects of the order Mallophaga that are mostly parasitic on birds but sometimes on mammals, have mouths adapted to biting instead of sucking, and feed on feathers, hair, or skin of the host often causing injury

called also bird louse

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