BEL'LOW, verb intransitive [Latin balo.] 1. To make a hollow, loud noise, as a bull; to make a loud outcry; to roar. In contempt, to vociferate or clamor. 2. To roar, as the sea in a tempest, or as the wind when violent; to make a loud, hollow, continued sound. BEL'LOW, noun A loud outcry; roar.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI