D defs.my
Entry 3 senses · 2 variants Webster, 1913

Multivalve

/mŭl'-tēv-ălv/ · Mul·ti·valve · IPA /mˈʌltiːvælv/
01 n. Any mollusk which has a shell composed of more than two pieces.
  1. 1.
    Any mollusk which has a shell composed of more than two pieces.(Zool.)
02 a. Having many valves.
  1. 1.
    Having many valves.
  2. 2.
    Many-valved; having more than two valves; -- said of certain shells, as the chitons.(Zool.)