Dec·a·pod n. Zool. A crustacean with ten feet or legs, as a crab; one of the Decapoda. Also used adjectively, as a decapod crustacean.
n 1: crustaceans characteristically having five pairs of
locomotor appendages each joined to a segment of the
thorax [syn: decapod crustacean]
2: cephalopods having eight short tentacles plus two long ones