#1 nail v. attach something somewhere by means of nails; "nail the board onto the wall". wn
#2 nail n. horny plate covering and protecting part of the dorsal surface of the digits. wn
#3 nail n. a thin pointed piece of metal that is hammered into materials as a fastener. wn
#4 nail v. [collar, apprehend, arrest, pick up, nab, cop] take into custody; "the police nabbed the suspected criminals". wn
#5 nail v. [smash, boom, blast] hit hard; "He smashed a 3-run homer". wn
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