ungula
蹄狀體
Un·gu·la n.; pl. Ungulae
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.
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