Unguis
Unguis , noun
[Latin, nail, claw, or hoof.]
1.
The nail, claw, talon, or hoof of a finger, toe, or other appendage.
2.
(Zoology) One of the terminal hooks on the foot of an insect.
3.
(Botany) The slender base of a petal in some flowers; a claw; called also ungula.