A tooth with a single cusp; a canine tooth.

plural of cuspid

Having a cusp / (botany, of a leaf) Tapering to a sharp, firm point

Having cusps.

Alternative form of cuspidate

(mathematics) The process of making an object cuspidal.

The quality of being cuspidal.

(chiefly US) A spittoon.

plural of cuspidor

(mineralogy) A monoclinic-prismatic mineral containing calcium, fluorine, hydrogen, oxygen, and silicon.