The noun yell has 2 senses (first 2 from tagged texts)
1. (7) cry, outcry, call, yell, shout, vociferation -- (a loud utterance; often in protest or opposition; "the speaker was interrupted by loud cries from the rear of the audience")
2. (4) cry, yell -- (a loud utterance of emotion (especially when inarticulate); "a cry of rage"; "a yell of pain")
Overview of verb yell
The verb yell has 2 senses (first 2 from tagged texts)
1. (18) shout, shout out, cry, call, yell, scream, holler, hollo, squall -- (utter a sudden loud cry; "she cried with pain when the doctor inserted the needle"; "I yelled to her from the window but she couldn't hear me")
2. (6) yell, scream -- (utter or declare in a very loud voice; "You don't have to yell--I can hear you just fine")