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1. Having a shell consisting of a single valve or piece. Used of a mollusk.
2. Composed of a single valve or piece. Used of a shell.
A univalve mollusk; a gastropod.
(Zoology) relating to, designating, or possessing a mollusc shell that consists of a single piece (valve)
(Zoology) a gastropod mollusc or its shell
adj. Also, u′ni•valved`, u•ni•val•vu•lar (ˌyu nəˈvæl vyə lər)
1. having a single shell, as a gastropod mollusk.
2. (of a mollusk shell) composed of a single valve or piece.n.
3. a univalve mollusk or its shell.
A mollusk, such as a snail, having a single shell. All univalves are gastropods. Compare bivalve.
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|Noun||1.||univalve - a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes|
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
abalone, ear-shell - any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
conch - any of various edible tropical marine gastropods of the genus Strombus having a brightly-colored spiral shell with large outer lip
snail - freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell
slug - any of various terrestrial gastropods having an elongated slimy body and no external shell
seasnail - any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moon shells; neritids
Ancylus fluviatilis, freshwater limpet, river limpet - minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
nudibranch, sea slug - any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
Aplysia punctata, sea hare - naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles
bubble shell - marine gastropod mollusk having a very small thin shell
physa - any member of the genus Physa
cowrie, cowry - any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells
|Adj.||1.||univalve - used of mollusks, especially gastropods, as snails etc.|