adjective
noun
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A gastropod, especially one with a single shell, such as a snail, cone, whelk, abalone, or limpet. Univalves belong to the subclass Prosobranchia. Their shells are usually spiral and can hold the whole animal inside.
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Compare bivalve
Etymology
Origin of univalve
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Although this animal was sometimes seen dead without any covering, it was generally found contained in a thin and slightly elastic univalve shell of graceful form, and bearing some resemblance to an elegantly shaped boat.
From Sea Monsters Unmasked and Sea Fables Explained by Lee, H. W. (Henry William)
A genus of fossil univalve shells, believed to belong to the Heteropoda, peculiar to the Paleozoic age.
From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah
In the next higher class of the Gasteropoda, or marine univalve shells, the sexes are either united or separate.
From The Descent of Man and Selection in Relation to Sex, Vol. I by Darwin, Charles
There appear to be three varieties, spiral, univalve, and bivalve.
From The World and Its People: Book VII Views in Africa by Badlam, Anna B.
Although with the Mollusca sexual selection does not seem to have come into play; yet many univalve and bivalve shells, such as volutes, cones, scallops, &c., are beautifully coloured and shaped.
From The Descent of Man and Selection in Relation to Sex, Vol. I by Darwin, Charles
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
