crab louse

noun

: a sucking louse (Pthirus 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

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“Crab louse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crab%20louse. Accessed 28 Feb. 2025.

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Kids Definition

crab louse

noun

: a louse infesting the human pubic region

Medical Definition

crab louse

noun

plural crab lice

: pubic louse

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crab louse

noun

Word History

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