What is the meaning of hoot?

noun

• A loud raucous cry (as of an owl. )
• A cry or noise made to express displeasure or contempt.
  • synonyms: boo, Bronx cheer, hiss, raspberry, razzing, razz, snort, bird
• Something of little value.
  • usage: "his promise is not worth a damn"; "not worth one red cent"; "not worth shucks"
  • synonyms: damn, darn, red cent, shit, shucks, tinker's damn, tinker's dam

verb

• To utter a loud clamorous shout.
  • usage: "the toughs and blades of the city hoot and bang their drums, drink arak, play dice, and dance"
• Utter the characteristic sound of owls. .