• 1. the lowest throw in a game of chance, esp two aces in dice
• 2. plural of crab 1

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• 1. any chiefly marine decapod crustacean of the genus Cancer and related genera (section Brachyura ), having a broad flattened carapace covering the cephalothorax, beneath which is folded the abdomen. The first pair of limbs are modified as pincers - See also fiddler crab soft-shell crab pea crab oyster crab
• 2. any of various similar or related arthropods, such as the hermit crab and horseshoe crab
• 3. short for crab louse
• 4. a manoeuvre in which an aircraft flies slightly into the crosswind...

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• 1. to find fault; grumble
• 2. to spoil (esp in the phrase crab someone's act )
• 3. an irritable person
• 4. C16: probably back formation from crabbed

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