Squeal may refer to: *A term for providing privileged information about a person or an agency, usually performed by an

informant An informant (also called an informer or, as a slang term, a “snitch”) is a person who provides privileged information about a person or organization to an agency. The term is usually used within the law-enforcement world, where informan ...

* "Squeal" (song), song by No Doubt * Brake squeal, sound created by a disc brake *

Rail squeal Rail squeal is a screeching train-track friction sound, commonly occurring on sharp curves. Squeal is presumably caused by the lateral sticking and slipping of the wheels across top of the railroad track. This results in vibrations in the wheel ...

, sound created by a train braking on a railroad track

See also