cuspated,a.Arch.|ˈkʌspeɪtɪd| [Erroneously f. cusp: the etymological derivative is cuspidated.] Furnished with a cusp or cusps. 1848Rickman Archit. 134 Windows..with circles in the head, sometimes..cuspated.1865Gentl. Mag. CXXXV. i. 413 These early cuspated windows are as ugly as possible.