Definition of bivalve:
- 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.
- A pericarp in which the seed case opens or splits into two parts or valves.
- Having two shells or valves which open and shut, as the oyster and certain seed vessels.
- "Faces and Places", Henry William Lucy.
- "The Poems of Henry Van Dyke", Henry Van Dyke.
- "Le Morvan, [A District of France,] Its Wild Sports, Vineyards and Forests; with Legends, Antiquities, Rural and Local Sketches", Henri de Crignelle.