||Un"gu*la (?), n.; pl.
Ungulæ (#). [L., a claw, hoof, from unguis a
nail, claw, hoof.] 1. A hoof, claw, or
talon.
2. (Geom.) A section or part of a cylinder,
cone, or other solid of revolution, cut off by a plane oblique to the base;
-- so called from its resemblance to the hoof of a horse.
3. (Bot.) Same as Unguis,
3.
Spherical ungula (Geom.), a part of a
sphere bounded by two planes intersecting in a diameter and by a line of
the surface of the sphere.