The Collaborative International Dictionary of English v.0.48:

Cuspated \Cus"pa*ted\ (k?s"p?-t?d), a.
   Ending in a point.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cuspated
    adj 1: having cusps or points [syn: cuspate, cuspated,
           cusped, cuspidal, cuspidate, cuspidated]