The Collaborative International Dictionary
Quadrivalve
Quadrivalve \Quad"ri*valve\, a. [Quadri- + valve: cf. F. quadrivalve.] (Bot.) Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp.
Quadrivalve
Quadrivalve \Quad"ri*valve\, n. (Arch.) A door, shutter, or the like, having four folds.
Wiktionary
quadrivalve
a. (context botany English) dehiscent into four similar parts; four-valved n. (context architecture English) A door, shutter, etc. with four folds.