ungues
Webster's Dictionary (GCIDE)
1.The nail, claw, talon, or hoof of a finger, toe, or other appendage. [1913 Webster]
2.(Zool.) One of the terminal hooks on the foot of an insect. [1913 Webster]
3.(Bot.) The slender base of a petal in some flowers; a claw; called also ungula. [1913 Webster]