Adjacent Words

Univalve definitions

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Webster's 1828 Dictionary

U'NIVALVE, a. [L. unus, one, and valve.] Having one valve only, as a shell or pericarp.
U'NIVALVE, n. A shell having one valve only. The univalves form one of the three divisions into which shells are usually divided.

WordNet (r) 3.0 (2005)

adj
1: used of mollusks, especially gastropods, as snails etc. [ant: bivalve, bivalved] n
1: a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes [syn: gastropod, univalve]

Merriam Webster's

noun Date: 1668 1. a mollusk with a shell consisting of one valve; especially gastropod 2. the shell of a univalve • univalve adjective

Oxford Reference Dictionary

adj. & n. Zool. --adj. having one valve. --n. a univalve mollusc.

Webster's 1913 Dictionary

Univalve U"ni*valve, n. [Uni- + valve: cf. F. univalve.] (Zo["o]l.) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs. Note: Most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods. A large number of univalves belonging to the gastropods are conical, cup-shaped, or shieldlike, as the limpets.

Webster's 1913 Dictionary

Univalve U"ni*valve, Univalved U"ni*valved, a. [Cf. F. univalve.] (Bot. & Zo["o]l.) Having one valve; as, a univalve shell or pericarp.