a. Having two valves, as the oyster and some seed pods; bivalve. [ 1913 Webster ]
{ } a. [ Equi- + valve. ] (Zoöl.) Having the valves equal in size and from, as in most bivalve shells. [ 1913 Webster ]
a. Consisting of, or having, three valves; opening with three valves; as, a three-valved pericarp. [ 1913 Webster ]
{ } a. [ Cf. F. univalve. ] (Bot. & Zool.) Having one valve; as, a univalve shell or pericarp. [ 1913 Webster ]
a. Having a valve or valves; valvate. [ 1913 Webster ]