SHRIEK

noun

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

verb

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. To utter sharply and shrilly; to utter in or with a shriek or shrieks.