shriek

Short definition from Wiktionary

Noun

1. 1
   A sharp, shrill outcry or scream; a shrill wild cry caused by sudden or extreme terror, pain, or the like.
2. 2
   An exclamation mark.

Verb

1. 1
   To utter a loud, sharp, shrill sound or cry, as do some birds and beasts; to scream, as in a sudden fright, in horror or anguish.
2. 2
   To utter sharply and shrilly; to utter in or with a shriek or shrieks.