a. rare. [f. L. ūnicorn-is (see UNICORN) + -OUS.] Having but one horn.
1646. Sir T. Browne, Pseud. Ep. V. xix. 261. The Rhinoceros, the Indian Asse, and the Unicornous Beetles. [Hence in Blount, Phillips, Bailey, etc.]
a. rare. [f. L. ūnicorn-is (see UNICORN) + -OUS.] Having but one horn.
1646. Sir T. Browne, Pseud. Ep. V. xix. 261. The Rhinoceros, the Indian Asse, and the Unicornous Beetles. [Hence in Blount, Phillips, Bailey, etc.]