The Collaborative International Dictionary
Tricurvate
Tricurvate \Tri*cur"vate\ (tr[-i]*k[^u]r"v[asl]t), a. [Pref. tri- + curvate.] (Zo["o]l.) Curved in three directions; as, a tricurvate spicule (see Illust. of Spicule).
Wiktionary
tricurvate
a. Curved in three directions.