D defs.my
Entry 3 senses Webster, 1913

Ungula

· Un·gu·la · IPA
01 n. A hoof, claw, or talon.
pl. Ungulae ((#))
  1. 1.
    A hoof, claw, or talon.
  2. 2.
    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.(Geom.)
  3. 3.
    Same as Unguis, 3.(Bot.) See: Unguis
Phrases & compounds
Spherical ungula — a part of a sphere bounded by two planes intersecting in a diameter and by a line of the surface of the sphere.