Definitions
1.NounA hoof, claw, or talon.
2.NounA section 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. an ungula (geometry)
3.NounAlternative form of unguis.
4.NounA surgical instrument for use in removing a dead fetus.