<p><strong>Verb (used without object):</strong></p><ul><li>to utter a loud, prolonged, mournful cry, as that of a dog or wolf.</li><li>to utter a similar cry in distress, pain, rage, etc.; wail.</li><li>to make a sound like an animal howling: The wind howls through the trees.</li><li>Informal: to go on a spree; enjoy oneself without restraint.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to utter with howls: to howl the bad news.</li><li>to drive or force by howls (often followed by down): to howl down the opposition.</li></ul><p><strong>Noun:</strong></p><ul><li>the cry of a dog, wolf, etc.</li><li>a cry or wail, as of pain, rage, or protest.</li><li>a sound like wailing: the howl of the wind.</li><li>a loud, scornful laugh or yell.</li><li>something that causes a laugh or a scornful yell, as a joke or funny or embarrassing situation.</li></ul>