Definition of "Rap" :

noun: the act of hitting vigorously

noun: a reproach for some lapse or misdeed

"It was a bum rap."

noun: genre of African-American music of the 1980s and 1990s in which rhyming lyrics are chanted to a musical accompaniment; several forms of rap have emerged

noun: voluble conversation

noun: the sound made by a gentle blow

noun: a gentle blow

verb: talk volubly

verb: strike sharply

"Rap him on the knuckles."

verb: perform rap music

verb: make light, repeated taps on a surface