- (of a shell) composed of more than two valves or pieces.
- a multivalve mollusk or its shell.
Origin of multivalve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for multivalve
Multivalve, mul′ti-valv, n. a mollusc having a shell of more than two valves.
They are protected by a multivalve shell, and have long ciliated curled tentacles, whence their name (curl-footed).The Sailor's Word-Book
William Henry Smyth
The sub-type in De Blainville's system, comprehending those with multivalve shells.
The opercula of multivalve shells are composed of two or four pieces, which are called the opercular valves.
An order consisting of molluscs which have multivalve shells, supported on a peduncle.