Definition of 'crayfish'

Noun

1. warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California
      Synonyms: spiny lobster langouste rock lobster
2. tiny lobster-like crustaceans usually boiled briefly
      Synonyms: crawfish crawdad ecrevisse
3. small freshwater decapod crustacean that resembles a lobster
      Synonyms: crawfish crawdad crawdaddy
4. large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
      Synonyms: spiny lobster langouste rock lobster crawfish sea crawfish

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