noun The horny plate or appendage at the ends of the digits of various animals, including most reptiles, birds, and mammals (both nonhuman and human).
When I'm nervous I bite my nails.
noun The thin, flat type of such a plate on the fingers and toes of humans, chimpanzees and some other primates.
When I'm nervous I bite my nails.
noun The basal thickened portion of the anterior wings of certain hemiptera.
noun The terminal horny plate on the beak of ducks and other allied birds.
noun A spike-shaped metal fastener used for joining wood or similar materials. The nail is generally driven through two or more layers of material by means of impacts from a hammer or other device. It is then held in place by friction.
Yesterday my shirt got torn after I caught it on a nail.
noun A round pedestal on which merchants once carried out their business, such as the four nails outside The Exchange, Bristol.
noun An archaic English unit of length equivalent to ⁄20 of an ell or ⁄16 of a yard (2+⁄4 inches or 5.715 cm).
verb To fix (an object) to another object using a nail.