Found 2 items, similar to univalved.
English → English (WordNet)
Definition: univalve
univalve
adj : used of mollusks, especially gastropods, as snails etc.
[ant: 
bivalve]
n : a class of mollusks typically having a one-piece coiled
shell and flattened muscular foot with a head bearing
stalked eyes [syn: 
gastropod]
English → English (gcide)
Definition: Univalved
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.
[1913 Webster]