(1):

(n.) Same as Torus.

(2):

(n.) The dead grass that remains on mowing land in winter and spring.

(3):

(n.) The solid inclosed by such a surface; - sometimes called an anchor ring.

(4):

(n.) The surface described by the circumference of a circle revolving about a straight line in its own plane.

(5):

(imp.) of Tear

(6):

imp. of Tear.