noun

• (countable) A sharp blow with something hard.
  "The teacher sat at one end of the bench, with a meek little fellow by his side. When the others were disorderly, this young martyr received a rap; intended, probably, as a sample of what the rest might expect, if they didn't amend."
• (slang, with definite article) The blame for something.
  "You can't act irresponsibly and then expect me to take the rap."
• (informal) A casual talk.
  "Clearspace is holding a bisexuality rap at the center, 485 Mass Ave. 7:30pm. Topic of discussion will be femininity and masculinity."
• (music, uncountable) Rap music.
  "They like listening to rap."

verb

• (intransitive) To strike something sharply with one's knuckles; knock.
  "While I nodded, nearly napping, suddenly there came a tapping, / As of some one gently rapping, rapping at my chamber door."
• (transitive, dated) To strike with a quick blow; to knock on.
  "With one great peal they rap the door."
• (metalworking) To free (a pattern) in a mould by light blows on the pattern, so as to facilitate its removal.
• (ambitransitive) To speak (lyrics) in the style of rap music.
  "He started to rap after listening to Tupac."

noun

• (historical) Any of the tokens that passed current for a halfpenny in Ireland in the early part of the eighteenth century; any coin of trifling value.
  "Many counterfeits passed about under the name of raps."

verb

• (transitive) To seize and carry off.
• (transitive) To transport out of oneself; to affect with rapture.