The largest toe (usually) on each human foot (i.e. the toe closest to the other foot when the feet are flat on the ground, side by side, and the legs not crossed) or on a foot of certain other animals.
The thin, horny plate at the ends of fingers and toes on humans and some other animals.
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.
The terminal horny plate on the beak of ducks, and other allied birds.
The basal thickened portion of the anterior wings of certain hemiptera.
A round pedestal on which merchants once carried out their business, such as the four nails outside The Exchange, Bristol.
An archaic English unit of length equivalent to ¹⁄₂₀ of an ell or ¹⁄₁₆ of a yard (2+¹⁄₄ inches or 5.715 cm).
The claw of a bird or other animal.
To stud or boss with nails, or as if with nails.
To expose as a sham.
To catch.
Of a male, to engage in sexual intercourse with.
To spike, as a cannon.
To hit (a target) effectively with some weapon.
To accomplish (a task) completely and successfully.
To fix (an object) to another object using a nail.
To drive a nail.
To nail down: to make certain, or confirm.