Talon (noun)

1. A claw of a bird of prey or other bird, especially the claw on the hind toe.
2. A sharp curved nail or claw on the foot of an animal, such as a lion or a cat.

Origin:

Late middle english: from old french, from latin talus "ankle".

Examples:

1. The eagle swooped down and caught the fish with its sharp talons.
2. The falcon's talons were so strong that it could carry prey twice its own weight.
3. The lion's talons were razor-sharp and could easily kill its prey.
4. The cat's talons were retractable, allowing it to move silently.
5. The bird's talons were used to grasp and hold on to the branches.