crab louse


: a sucking louse (Phthirus pubis) infesting the pubic region of the human body

Word History

First Known Use

1547, in the meaning defined above

Time Traveler
The first known use of crab louse was in 1547

Dictionary Entries Near crab louse

Cite this Entry

“Crab louse.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

Kids Definition

crab louse

: a louse infesting the human pubic region

Medical Definition

crab louse

plural crab lice

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