noun / verb
claw
KLAW/klɔː/
A sharp, curved nail used for gripping or scratching.
The cat's claws grip the bark.

Etymology
Old English clawu already named an animal’s claw or talon and could also mean an iron hook. Those meanings share the hooked shape retained in the modern animal sense.
In context
this results in a curved cone-like or conical-shaped claw that develops from the inside out and here is the real heart of the biological misconception that humans have about cat claws