An edible bivalve mollusc found on the coasts of Britain, probably a cockle (family Cardiidae).

Originally: a small edible marine bivalve mollusc native to coastal waters of the northern and eastern Atlantic, Cerastoderma edule (family Cardiidae…

A shellfish: originally a bivalve such as the mussel or oyster; in later times more frequently a large gastropod, esp. Strombus gigas.

Any of various kinds of cockle, mussel, or other (esp. edible) bivalve mollusc.

A shellfish, a conch.

= bivalve, adj. n.. in Zoology; also quasi-n.

Zoology. A molluscous animal having a shell consisting of two halves joined together by an elastic ligament at the hinge, so as to open and shut…

(probably) a bivalve mollusc of the genus Nucula (cf. nutshell, n. 4).

Zoology. A shell; a bivalve mollusc; = conch, n. 1 2 Obsolete.

= cockle, n.2, the shellfish.

With plural agreement. A former class of invertebrates lacking distinct heads, broadly equivalent to Bivalvia (bivalve molluscs) but also including…

In full pullet carpet shell. A marine bivalve mollusc, Venerupis pullastra (family Veneridae), common in northern and Mediterranean waters. Cf. pal…

A member of the Ciliograda, a tribe of Acalephans which swim by means of cilia.

A bivalve mollusc of the class Conchifera.

An invertebrate of the former class Acephala; esp. a bivalve mollusc.

Zoology. = acephalan, n. Now disused.

= bivalve, n. 2.

A mollusc of the class Pelecypoda (now usually called Bivalvia); a bivalve mollusc, a lamellibranch.

a name in U.S. for a very small clam (clam, n.2 1d).

= long-neck clam at long neck, n. 3b, frequently eaten as a delicacy. Also steamer clam.