Any of various widespread arthropods of the class Crustacea that live mostly in water and have a hard shell, a segmented body, and jointed appendages. Crustaceans include crabs, lobsters, shrimp, barnacles, and copepods.
Any of a large phylum (Mollusca) of invertebrate animals, including the chitons, gastropods, cephalopods, scaphopods, and bivalves characterized by a soft, unsegmented body, typically enclosed wholly or in part in a mantle and a calcareous shell, and usually having gills and a foot
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Any of numerous invertebrate animals of the phylum Arthopoda, characterized by an exoskeleton made of chitin and a segmented body with pairs of jointed appendages. Arthropods share many features with annelids and may have evolved from them in the Precambrian Era. Arthropods include the insects, crustaceans, arachnids, myriapods, and extinct trilobites, and are the largest phylum in the animal kingdom.
The definition of a barnacle is a small crustacean that affixes itself to surfaces such as a rock, a large sea animal, or the part of a boat that is in the water.
The definition of a clam is an animal that lives in shallow water with a hard shell and no backbone, or is slang for a U.S. dollar.
The large, spiral, univalve shell of any of various marine mollusks
Any of numerous freshwater bivalve mollusks of the order Unionoida that burrow in the sand or mud of rivers, streams, and ponds.
The oyster-shaped bit of meat contained in a depression on each side of the pelvic bone of a fowl
Any of various shrimps, especially one that is large or inhabits fresh water.
The single shell of such a mollusk
The definition of a snail is a small animal with a distinct head whose body is mostly enclosed by a shell and moves slowly using one muscular foot.
Any of various large marine carnivorous snails chiefly of the family Buccinidae, having a pointed spiral shell, especially the edible species Buccinum undatum of the North Atlantic Ocean.
Any of numerous mollusks of the class Gastropoda, characteristically having a single, usually coiled shell or no shell at all, a ventral muscular foot, and eyes and tentacles located on a distinct head, and including the snails, slugs, cowries, and limpets.
Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops.
Find another word for shellfish. In this page you can discover 35 synonyms, antonyms, idiomatic expressions, and related words for shellfish, like: crustacean, mollusk, crustaceous animal, invertebrate, marine animal, marine invertebrate, molluscoid, arthropod, barnacle, clam and lobster.