Mul"ti*valve (?), n. [Cf. F.
multivalve.] (Zoöl.) Any mollusk which has a
shell composed of more than two pieces.
{ Mul"ti*valve (?), Mul`ti*val"vu*lar (?), }
a. [Multi- + valve, valvular:
cf. F. multivalve.] 1. Having many
valves.
2. (Zoöl.) Many-valved; having
more than two valves; -- said of certain shells, as the
chitons.