n. [ F. bivalve; bi- (L. bis) + valve valve. ] 1. (Zool.) A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca. [ 1913 Webster ]
2. (Bot.) A pericarp in which the seed case opens or splits into two parts or valves. [ 1913 Webster ]
[ザルガイか(ザルガイ科);ざるがいか(笊貝科), zarugai ka ( zarugai ka ); zarugaika ( sou kai ka )] (n) Cardiidae (family of bivalve molluscs comprising the cockles) [Add to Longdo]
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