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" ;

2. (

• hollow ,
• holler

) a small valley between mountains; "he built himself a cabin in a hollow high up in the Appalachians" ;

1. (

• holler ,
• holler_out

) shout out; "He hollered out to surrender our weapons" ;

2. (

• shout ,
• shout_out ,
• cry ,
• call ,
• yell ,
• scream ,
• holler ,
• hollo ,
• squall

) utter a sudden loud cry; "she cried with pain when the doctor inserted the needle"; "I yelled to her from the window but she couldn't hear me" ;

3. (

• gripe ,
• bitch ,
• grouse ,
• crab ,
• beef ,
• squawk ,
• bellyache ,
• holler

) complain; "What was he hollering about?" ;