<p><strong>Noun:</strong></p><ul><li>a somewhat prolonged, sharp, shrill cry, as of pain, fear, or surprise.</li><li>Slang: an instance of informing against someone.</li><li>a protest or complaint; beef.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to utter or emit a squeal or squealing sound.</li><li>Slang: to turn informer; inform.</li><li>to protest or complain; beef.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to utter or produce with a squeal.</li></ul>