crab

Definitions

• A crustacean of the infraorder Brachyura, having five pairs of legs, the foremost of which are in the form of claws, and a carapace.
• (uncountable) The meat of this crustacean, served as food; crabmeat
• A bad-tempered person.
• (in plural crabs) An infestation of pubic lice (Pthirus pubis).
• (slang) A playing card with the rank of three.
• (rowing) A position in rowing where the oar is pushed under the rigger by the force of the water.
• A defect in an outwardly normal object that may render it inconvenient and troublesome to use.
• (dated) An unsold book that is returned to the publisher.