From WordNet (r) 3.0 (2006):
nail
n 1: horny plate covering and protecting part of the dorsal
surface of the digits
2: a thin pointed piece of metal that is hammered into materials
as a fastener
3: a former unit of length for cloth equal to 1/16 of a yard
v 1: attach something somewhere by means of nails; "nail the
board onto the wall"
2: take into custody; "the police nabbed the suspected
criminals" [syn: collar, nail, apprehend, arrest,
pick up, nab, cop]
3: hit hard; "He smashed a 3-run homer" [syn: smash, nail,
boom, blast]
4: succeed in obtaining a position; "He nailed down a spot at
Harvard" [syn: nail down, nail, peg]
5: succeed at easily; "She sailed through her exams"; "You will
pass with flying colors"; "She nailed her astrophysics
course" [syn: breeze through, ace, pass with flying
colors, sweep through, sail through, nail]
6: locate exactly; "can you pinpoint the position of the
enemy?"; "The chemists could not nail the identity of the
chromosome" [syn: pinpoint, nail]
7: complete a pass [syn: complete, nail]