a very loud utterance (like the sound of an animal)

同义词：bellow??/??bellowing??/??holla??/??holler??/??hollering??/??holloa??/??roar??/??roaring??/??yowl

encourage somebody by crying hollo

cry hollo

utter a sudden loud cry

同义词：shout??/??shout out??/??cry??/??call??/??yell??/??scream??/??holler??/??squall