Available Definitions:
1) v. - To make a hollow, loud noise, as an enraged bull.
2) v. - To bowl; to vociferate; to clamor.
3) v. - To roar; as the sea in a tempest, or as the wind when violent; to make a loud, hollow, continued sound.
4) v. t. - To emit with a loud voice; to shout; -- used with out.
5) n. - A loud resounding outcry or noise, as of an enraged bull; a roar.