What is the meaning of riot?

noun

• A public act of violence by an unruly mob.
  • synonyms: public violence
• A state of disorder involving group violence.
  • synonyms: rioting
• A joke that seems extremely funny.
  • synonyms: belly laugh, sidesplitter, howler, thigh-slapper, scream, wow
• A wild gathering involving excessive drinking and promiscuity.
  • synonyms: orgy, debauch, debauchery, saturnalia, bacchanal, bacchanalia, drunken revelry

verb

• Take part in a riot; disturb the public peace by engaging in a riot.
  • usage: "Students were rioting everywhere in 1968"
• Engage in boisterous, drunken merrymaking.
  • usage: "They were out carousing last night"
  • synonyms: carouse, roister