Definition of: bicuspid

(bī·kus′pid) adjective
1. Having two cusps or points.
2. Double-pointed, as a premolar tooth, the valve at the left auricular opening of the heart, or a curve or crescent: also bi·cus′pi·dal (-dəl), bi·cus′pi·date (-dāt).
—noun A premolar tooth, of which there are eight in the normal human jaws, two between each cuspid and the first molar tooth. Also bi·cus′pis. [<L bis twofold + cuspis, -idis point]