A marine shell, the shell of any saltwater mollusc.

The shell of an egg or a shellfish. rare.

The whorled shell of any mollusc; e.g. whelk.

A spiral shell. Obsolete.

Conchology. One of the halves of a hinged shell; a single shell of similar form; a single part of a compound shell.

As the name of a shell. Obsolete. rare.

(See quot. 1688) Obsolete.

conch-shell n. = sense 2 3; also conch-trumpet; conch-like adj., etc.

some variety of univalve shell.

A gastropod mollusc with a long, pointed shell (not identified). Cf. needle-shell n. at compounds 2. Obsolete. rare.

Zoology. A multivalve shell; an animal, esp. a mollusc, having such a shell. Obsolete.

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

Zoology. = periostracum, n. Obsolete.

The shell of a mollusc; esp. the spiral shell of any of the larger gastropods.

Conchology. The shell of a marine gastropod mollusc of the family Strombidae, spec. Harpago chiragra, which has a thick, flaring outer lip and six…

Conchology. (See quot. 1776) ? Obsolete.

(the round shell of) an opisthobranch mollusc of the genus Bulla.

= worm-shell n.

Any of various small seashells of a pink or partly pink colour, typically of the family Muricidae (cf. murex, n. 1). Also rosebud murex, rosebud shell…

A sheath-like covering. Applied to various animal and vegetable structures. The covering of certain shellfish, e.g. the razor-shell.

The outer horny or fibrous organic covering of the shell of a mollusc or brachiopod. Cf. epidermis, n. 2.

Zoology. The outermost layer of the shell in certain molluscs; = epicuticula, n. 1. Obsolete. rare.

The outermost layer of the shell in certain molluscs; = periostracum, n. Obsolete.

= leg-of-mutton shell n. at compounds. Obsolete. rare.

A shell having three valves.