dewclaw
Noun
Meaning
In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground.
Source: Webster's dictionarySynonyms
Examples
Absence of protection makes the claws blunt; however, the large and strongly curved dewclaw is remarkably sharp. citation open access publication - free to read Ecology and behaviour Cheetahs rest in shade.
Most cats have five claws on their front paws, and four on their rear paws. citation The fifth front claw (the dewclaw ) is proximal to the other claws.