What is the meaning of yell?

noun

• A loud utterance; often in protest or opposition.
  • usage: "the speaker was interrupted by loud cries from the rear of the audience"
  • synonyms: cry, outcry, call, shout, vociferation
• A loud utterance of emotion (especially when inarticulate. )
  • usage: "a cry of rage"; "a yell of pain"
  • synonyms: cry

verb

• Utter a sudden loud cry.
  • usage: "she cried with pain when the doctor inserted the needle"; "I yelled to her from the window but she couldn't hear me"
  • synonyms: shout, shout out, cry, call, scream, holler, hollo, squall
• Utter or declare in a very loud voice.
  • usage: "You don't have to yell-I can hear you just fine"
  • synonyms: scream