What is the meaning of Howl?

The protracted, mournful cry of a dog, wolf or other canid; also of other animals.

Any similar sound.

A prolonged cry of distress or anguish; a wail.

To utter a loud, protracted, mournful sound or cry, as dogs and wolves often do.

To utter a sound expressive of pain or distress; to cry aloud and mournfully; to lament; to wail.

To make a noise resembling the cry of a wild beast.

To utter with outcry.

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Source: wiktionary.org