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A parasitic louse (Phthirus pubis) that infests the pubic region and causes severe itching. Also called pubic louse.
(Animals) a parasitic louse, Pthirus (or Phthirus) pubis, that infests the pubic region in humans
a crablike louse, Phthirus pubis, that infests pubic hair and other body hair in humans.
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|Noun||1.||crab louse - a louse that infests the pubic region of the human body|
louse, sucking louse - wingless usually flattened bloodsucking insect parasitic on warm-blooded animals