Entry 2 senses · 2 variants Webster, 1913 Cuspidate /(-d?t)/ · Cus·pi·date · IPA /ˈkʌspɪdət/ v. t. a. 01 v. t. To make pointed or sharp. 1. To make pointed or sharp. 02 a. Having a sharp end, like the point of a spear; terminating in a hard point; as, a cuspidate leaf. 1. Having a sharp end, like the point of a spear; terminating in a hard point; as, a cuspidate leaf.