The Collaborative International Dictionary of English v.0.48:
cuspate \cuspate\ cusped \cusped\adj. having cusps or points. Syn: cuspated, cuspidal, cuspidate, cuspidated. [WordNet 1.5]WordNet (r) 3.0 (2006):
cuspate adj 1: having cusps or points [syn: cuspate, cuspated, cusped, cuspidal, cuspidate, cuspidated]