(n) in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)
‖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 ]
‖n. pl. [ NL., fr. L. ungula hoof. ] (Zool.) An extensive group of mammals including all those that have hoofs. It comprises the Artiodactyla and Perissodactyla. [ 1913 Webster ]
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