ungulae

Webster's Dictionary (GCIDE)

Ungula \Un"gu*la\, n.; pl. Ungulae. [L., a claw, hoof, from unguis a nail, claw, hoof.]

1.A hoof, claw, or talon. [1913 Webster]

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. [1913 Webster]

3.(Bot.) Same as Unguis, 3. [1913 Webster]

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. [1913 Webster]