Noun

• S: (n) crayfish, crawfish, crawdad, ecrevisse (tiny lobster-like crustaceans usually boiled briefly)
• direct hypernym / inherited hypernym / sister term
• S: (n) shellfish (meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean))
• S: (n) mussel (black marine bivalves usually steamed in wine)
• S: (n) huitre, oyster (edible body of any of numerous oysters)
• S: (n) clam (flesh of either hard-shell or soft-shell clams)
• S: (n) cockle (common edible European bivalve)
• S: (n) crab, crabmeat (the edible flesh of any of various crabs)
• S: (n) crayfish, crawfish, crawdad, ecrevisse (tiny lobster-like crustaceans usually boiled briefly)
• S: (n) limpet (mollusk with a low conical shell)
• S: (n) lobster (flesh of a lobster)
• S: (n) spiny lobster, langouste, rock lobster, crayfish (warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California)
• S: (n) scallop, scollop, escallop (edible muscle of mollusks having fan-shaped shells; served broiled or poached or in salads or cream sauces)
• part holonym
• S: (n) crayfish, crawfish, crawdad, crawdaddy (small freshwater decapod crustacean that resembles a lobster)
• S: (n) spiny lobster, langouste, rock lobster, crawfish, crayfish, sea crawfish (large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters)

Verb

• S: (v) retreat, pull back, back out, back away, crawfish, crawfish out, pull in one's horns, withdraw (make a retreat from an earlier commitment or activity) "We'll have to crawfish out from meeting with him"; "He backed out of his earlier promise"; "The aggressive investment company pulled in its horns"