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