Definitions for: Univalve


[n] a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes
[adj] (zoology) used of mollusks, especially gastropods, as snails etc.



Webster (1913) Definition: 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.


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

Synonyms: gastropod, single-shelled

Antonyms: bivalve, bivalved

See Also: abalone, Ancylus fluviatilis, aplacophoran, Aplysia punctata, bubble shell, class Gasteropoda, class Gastropoda, conch, cowrie, cowry, ear-shell, freshwater limpet, Gasteropoda, Gastropoda, mollusc, mollusk, nudibranch, physa, river limpet, sea hare, sea slug, seasnail, shellfish, slug, snail, solenogaster

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