From HomoExcelsior

1. A sharp, curved nail on the toe of a mammal, reptile, or bird. 2. A chela or similar pincerlike structure on the end of a limb of a crustacean or other arthropod. 3. A limb terminating in such a structure. 4. Something, such as the cleft end of a hammerhead, that resembles a claw. 5. The narrowed, stalklike basal part of certain petals or sepals. 6. To scratch, dig, tear, or pull with or as if with claws.

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