Quadrivalve
(a.) Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp.
(n.) A door, shutter, or the like, having four folds.
Similar Words:
Biquadrate Biquadratic Conquadrate Gunter's quadrant Pterygoquadrate Quadra Quadrable Quadrae Quadragenarious Quadragene