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Word History
First Known Use
1547, in the meaning defined above
Dictionary Entries Near crab louse
Cite this Entry
“Crab louse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crab%20louse. Accessed 22 Nov. 2024.
Kids Definition
crab louse
noun
: a louse infesting the human pubic region
Medical Definition
More from Merriam-Webster on crab louse
Britannica.com: Encyclopedia article about crab louse
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Merriam-Webster unabridged
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