Noun

1. A deep prolonged loud noise
2. A very loud utterance (like the sound of an animal)
3. The sound made by a lion

Verb

1. Make a loud noise, as of wind, water, or vehicles
2. Utter words loudly and forcefully
3. Emit long loud cries
4. Act or proceed in a riotous, turbulent, or disorderly way; -r.a.billington
5. Make a loud noise, as of animal
6. Laugh unrestrainedly and heartily