biting louse

noun

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

called also bird louse

Word History

First Known Use

1864, in the meaning defined above

Medical Definition

biting louse

noun

: 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