Definition of cuspidate in US English:

cuspidate

adjective

  • See cusp

    • ‘The ridge summit is usually worn along its length, but on UALVP 22646 and ROM 05624, much of it is unworn and seen to be weakly cuspidate, with up to three poorly developed cuspules or thickenings along the summit.’
    • ‘The premolars are characteristically very slender, sharp, and cuspidate.’
    • ‘A gland cell is often associated with a sensory spot, a cuspidate spine, a seta, or an adhesive spine in segment 4 of male Pycnophyes and Kinorhynchus.’

Pronunciation

cuspidate

/ˈkəspəˌdeɪt//ˈkəspəˌdāt/