Squeal /(skwēl)/

imp. & p. p. Squealed; p. pr. & vb. n. Squealing

1. To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.
2. To turn informer; to betray a secret. [Slang]

1. A shrill, sharp, somewhat prolonged cry.