| Noun | 1. | shellfish - meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean)mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell seafood - edible fish (broadly including freshwater fish) or shellfish or roe etc mussel - black marine bivalves usually steamed in wine clam - flesh of either hard-shell or soft-shell clams cockle - common edible European bivalve limpet - mollusk with a low conical shell lobster - flesh of a lobster crayfish, langouste, rock lobster, spiny lobster - warm-water lobsters without claws; those from Australia and South Africa usually marketed as frozen tails; caught also in Florida and California |
| 2. | shellfish - invertebrate having a soft unsegmented body usually enclosed in a shellcarapace, cuticle, shell, shield - hard outer covering or case of certain organisms such as arthropods and turtles invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification Mollusca, phylum Mollusca - gastropods; bivalves; cephalopods; chitons scaphopod - burrowing marine mollusk gastropod, univalve - a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes coat-of-mail shell, polyplacophore, sea cradle, chiton - primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates bivalve, lamellibranch, pelecypod - marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together cephalopod, cephalopod mollusk - marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles shellfish - meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean) |