A nail is the pointed piece of metal that you pound with a hammer when you're building something. When you go to a nail salon, however, don't bring a pack of nails; bring your toes and fingers instead!

When construction workers pound nails into wood, they nail them. Another kind of nail is the one at the end of each of your fingers and toes. In addition to hitting a nail, the verb version of nail also means "to arrest," "to succeed easily," and "to hit." Nail polish is what you use to color the nails on your hands (or feet), and when you "hit the nail on the head," you get the exact right answer.

Definitions of nail
  1. noun
    a thin pointed piece of metal that is hammered into materials as a fastener
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    a small nail
    clout, clout nail
    a short nail with a flat head; used to attach sheet metal to wood
    a nail with a large head; formerly used to decorate doors
    eightpenny nail
    a nail 2.5 inches long
    fourpenny nail
    a nail 1.5 inches long
    a short nail with a thick head; used to protect the soles of boots
    sixpenny nail
    a nail 2 inches long
    a large stout nail
    a short U-shaped wire nail for securing cables
    stub nail
    a short thick nail
    a short nail with a sharp point and a large head
    tenpenny nail
    a nail 3 inches long
    carpet tack
    used to nail down carpets
    drawing pin, pushpin, thumbtack
    a tack for attaching papers to a bulletin board or drawing board
    tack or small nail of tinned iron
    type of:
    fastener, fastening, fixing, holdfast
    restraint that attaches to something or holds something in place
  2. verb
    attach something somewhere by means of nails
    nail the board onto the wall”
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    type of:
    cause to be attached
  3. noun
    horny plate covering and protecting part of the dorsal surface of the digits
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    the nail at the end of a finger
    the nail at the end of a toe
    the nail of the thumb
    ingrown toenail, onyxis
    toenail having its free tip or edges embedded in the surrounding flesh
    type of:
    horny structure, unguis
    any rigid body structure composed primarily of keratin
  4. noun
    a former unit of length for cloth equal to 1/16 of a yard
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    type of:
    linear measure, linear unit
    a unit of measurement of length
  5. verb
    take into custody
    synonyms: apprehend, arrest, collar, cop, nab, pick up
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    type of:
    clutch, prehend, seize
    take hold of; grab
  6. verb
    hit hard
    synonyms: blast, boom, smash
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    type of:
    deal a blow to, either with the hand or with an instrument
  7. verb
    succeed at easily
    “She nailed her astrophysics course”
    synonyms: ace, breeze through, pass with flying colors, sail through, sweep through
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    type of:
    make it, pass
    go successfully through a test or a selection process
  8. verb
    succeed in obtaining a position
    “He nailed down a spot at Harvard”
    synonyms: nail down, peg
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    type of:
    bring home the bacon, come through, deliver the goods, succeed, win
    attain success or reach a desired goal
  9. verb
    complete a pass
    synonyms: complete
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    type of:
    participate in games or sport
  10. verb
    locate exactly
    “The chemists could not nail the identity of the chromosome”
    synonyms: pinpoint
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    type of:
    locate, turn up
    discover the location of; determine the place of; find by searching or examining
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