Noun

1. Sharp curved horny process on the toe of a bird or some mammals or reptiles
2. A mechanical device that is curved or bent to suspend or hold or pull something
3. A grasping structure on the limb of a crustacean or other arthropods
4. A bird's foot

Verb

1. Move as if by clawing, seizing, or digging
2. Clutch as if in panic
3. Scratch, scrape, pull, or dig with claws or nails
4. Attack as if with claws