<marine biology, zoology> Any mollusk which has a shell composed of more than two pieces. ... Origin: Cf. F. Multivalve. ... (19 Mar 1998) ... Found on http://www.encyclo.co.uk/local/20973
Mul'ti·valve noun [ Confer French multivalve .] (Zoology) Any mollusk which has a shell composed of more than two pieces. Found on http://www.encyclo.co.uk/webster/M/115