1. (

• bellow ,
• bellowing ,
• holla ,
• holler ,
• hollering ,
• hollo ,
• holloa ,
• roar ,
• roaring ,
• yowl

) a very loud utterance (like the sound of an animal); "his bellow filled the hallway" ;

1. (

• bawl ,
• bellow

) shout loudly and without restraint ;

2. (

• bellow ,
• roar ,

) make a loud noise, as of animal; "The bull bellowed" ;