to'rus

[L. a bulge.] x. geometrical figure by the revolution of a circle round the base of any of its arcs such is the convex molding at the base of a pillar,; x. A rounded swelling, such as that caused by a contracting muscle. 3. Tuber cinereum. 4. In botany, the base into which the parts of a single flower are inserted, t. front a'- lis, a slight prominence on the frontal bone at the root of the nose. t. ma'nus, the metacarpal region, t. occipita'lis [BNA], an occasional ridge near the superior curved line of the occipital bone. t. palati'nus [BNA], palatine torus or protuberance a bony swelling sometimes present upon the median line (median palatine suture) of the roof of the oral cavity, t. spira'lis, stria medullar is. t. tuba'rius [BNA], Eustachian cushion, a ridge in the pharyngeal wall posterior to the opening of the Eustachian tube, caused by the projection of the cartilaginous portion of this tube. t. uteri'nus, a transverse ridge on the