Definitions of nail

  1. To spike, as a cannon.
  2. To fasten with such a piece of metal; to secure or make certain; to hold down tightly: as, to nail an argument; to expose; as, to nail a lie.
  3. To fasten with nails.
  4. To fasten, as with a nail.
  5. attach something somewhere by means of nails; " nail the board onto the wall"
  6. locate exactly; " can you pinpoint the position of the enemy?"; " The chemists could not nail the identity of the chromosome"
  7. complete a pass
  8. take into custody; " the police nabbed the suspected criminals"
  9. To fasten or stud with nails; to spike. On the nail, at once. To hit the nail on the head, to touch or seize the exact point.
  10. To fasten or unite with nails.
  11. a former unit of length for cloth equal to 1/ 16 of a yard
  12. the horny scale of plate of epidermis at the end of the fingers and toes of man and many apes.
  13. The basal thickened portion of the anterior wings of certain hemiptera.
  14. The terminal horny plate on the beak of ducks, and other allied birds.
  15. A slender, pointed piece of metal, usually with a head, used for fastening pieces of wood or other material together, by being driven into or through them.
  16. To fasten with a nail or nails; to close up or secure by means of nails; as, to nail boards to the beams.
  17. To stud or boss with nails, or as with nails.
  18. To fasten, as with a nail; to bind or hold, as to a bargain or to acquiescence in an argument or assertion; hence, to catch; to trap.
  19. The horny substance at the ends of the human fingers and toes; the claws of a bird or animal; a measure two and one- fourth inches long; a pointed piece of metal, furnished with a head, and used for driving into woodwork, etc.
  20. The horny scale at the end of the human fingers and toes: the claw of a bird or other animal: a pointed spike of metal for fastening wood: a measure of length ( 2 1/ 4 inches).
  21. Horny scale at the end of the finger or toe; claw; metal spike; measure of two and one fourth inches.
  22. A thing horny plate on the end of a finger of toe.
  23. A metal pin with point at one end and head at the other, for driving into wood.
  24. The horny substance at the end of the human fingers and toes; the claw or talon of an animal; a small pointed piece of metal to fasten wood; a measure of length, 2 1/ 2 or 2 1/ 4 inches.
  25. One of the flat horny substances at the ends of the fingers and toes; a pointed piece of iron or other metal, commonly with a head, used to fasten wood- work; a measure of length, one- sixteenth of a yard.
  26. The terminal horny plate of finger or toe.
  27. A measure of length, being two inches and a quarter, or the sixteenth of a yard.