Quadrivalve \Quad"ri*valve\, a. [Quadri- + valve: cf. F. quadrivalve.] (Bot.) Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp. [1913 Webster]
Quadrivalve \Quad"ri*valve\, n. (Arch.) A door, shutter, or the like, having four folds. [1913 Webster]