crab

noun
🔊/kræb/
🔊/kræb/
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  1. [countable] a sea creature with a hard shell, eight legs and two pincers (= curved and pointed arms for catching and holding things). Crabs move sideways (= towards the side) on land. 蟹;螃蟹
    see also hermit crabTopics Fish and shellfishb2
  2. [uncountable] meat from a crab, used for food蟹肉
    • dressed crab经加工的螃蟹
    Topics Foodb2
  3. crabs
    (informal) the condition caused by having lice (called crab lice) in the hair around the genitals 阴虱病
  4. Word OriginOld English crabba, of Germanic origin; related to Dutch krabbe, and more distantly to Dutch kreeft and German Krebs; also to crab in the sense to grumble.