NAILS

noun

1. The thin, horny plate at the ends of fingers and toes on humans and some other animals.
2. The basal thickened portion of the anterior wings of certain hemiptera.
3. The terminal horny plate on the beak of ducks, and other allied birds.

verb

1. To fix (an object) to another object using a nail.
2. To drive a nail.
3. To stud or boss with nails, or as if with nails.