roar
roar
verb
To make a very loud, deep sound, like a large animal or engine.
"The lion roared loudly in the jungle."
noun
A very loud, deep sound, often made by an animal, vehicle, or crowd.
"We heard the roar of the crowd."
Thesaurus
Synonyms: holler, holla, roaring, bellow, yowl, bellowing, hollo, hollering, holloa, howl, boom, thunder