a. and sb. [f. L. bi- two + cuspid-em point, spike, CUSP.] A. adj. Having two cusps or points. B. sb. A premolar tooth in man. Bicuspidate [see -ATE] = prec. adj.
18369. Todd, Cycl. Anat. & Phys., II. 533/1. From being more decidedly divided into two lips [this valve of the heart] is termed bicuspid.
1873. Mivart, Elem. Anat., vii. 252. The fourth and fifth teeth of the lower jaw are called bicuspid molars.
1878. T. Bryant, Pract. Surg., I. 579. The enamel on the bicuspid.
1847. Craig, Bicuspidate, having two points.
1870. Hooker, Stud. Flora, 417. Beak bicuspidate.