To beat upon; strike heavily or smartly; give a quick, sharp blow to, as with the fist, a door-knocker, a stick, or the like; knock upon.To use in striking; make a blow or blows with.To utter sharply: speak out: usually with out (see phrase below).To produce or indicate by rapping sounds; impart by a series of significant raps: as, to rap out a communication or a signal: used specifically of the supposed transmission of spiritual intelligence in this way through the instrumentality of mediums.Synonyms To thump, whack.To deal a heavy blow or heavy blows; beat.To fall with a stroke or blow; drop so as to strike.To strike a quick, sharp blow; make a sound by knocking, as on a door: as, to rap for admittance.To take an oath; swear; especially, to swear falsely: compare to rap out , above.n. A heavy or quick, smart, blow; a sharp or resounding knock; concussion from striking.n. A sound produced by knocking, as at a door, or by any sharp concussion; specifically, in modern spiritualism, a ticking or knocking noise produced by no apparent physical means, and ascribed to the agency of disembodied spirits.To snatch or hurry away; seize by violence; carry off; transport; ravish.To transport out of one's self; affect with ecstasy or rapture; carry away; absorb; engross.To scratch.n. A counterfeit coin of bad metal which passed current in Ireland for a halfpenny in the reign of George I., before the issue of Wood's halfpence.n. A Middle English form of rope.n. A Middle English preterit of reap.n. A lay or skein of yarn containing 120 yards.