a somewhat prolonged, sharp, shrill cry, as of pain, fear, or surprise.

Slang .

an instance of informing against someone.

a protest or complaint; beef.

to utter or emit a squeal or squealing sound.

Slang .

to turn informer; inform.

to protest or complain; beef.

to utter or produce with a squeal.

noun

informant , tattler , tattletale , canary , fink , informer , pigeon , rat , snitch , stoolie , third ear , traitor