crab louse

noun

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

First Known Use

1547, in the meaning defined above

Time Traveler

The first known use of crab louse was in 1547

See more words from the same year

Style

“Crab louse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crab%20louse. Accessed 14 Nov. 2024.

Copy Citation

crab louse

noun

: a louse infesting the human pubic region

crab louse

noun

plural crab lice

: pubic louse

Last Updated: 23 Sep 2024 - Definition revised

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