"crayfish" in the noun sense
1. 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
2. crayfish, crawfish, crawdad, ecrevisse
tiny lobster-like crustaceans usually boiled briefly
3. crayfish, crawfish, crawdad, crawdaddy
small freshwater decapod crustacean that resembles a lobster
4. 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
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License