crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax

lobsters; crabs

one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming

large edible marine crustaceans having large pincers on the first pair of legs

edible European lobster resembling the American lobster but slenderer

large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters

lobsters; crabs

one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming