1. (v. i.) To cry out with vehemence; to exclaim; to bawl; to clamor\.

2. (v. t.) To utter with a loud voice; to shout out.

bellow out call out clamor cry cry out holler holler out hollo make an outcry make an uproar outcry pipe up raise a clamor shout shout out shrill sing out yell yell out