bel·low 
/ˈbɛloʊ/ verb
bel·lows; bel·lowed; bel·low·ing /ˈbɛloʊ/ verb 1 : to shout in a deep voice [no obj] ▪ He bellowed at/to/for her to come over at once. ▪ He was bellowing into the phone, giving orders to one of his employees. [+ obj] ▪ The sergeant was bellowing orders. ▪ “You're fired!” he bellowed. 2 [no obj] of an animal : to make a deep, loud sound
▪ The bull bellowed angrily.
▪ The bull bellowed angrily.
— bellow noun, plural bellows [count]
▪ He let loose with an angry bellow. ▪ a bellow of anger/rage ▪ the bellow of a bull
▪ He let loose with an angry bellow. ▪ a bellow of anger/rage ▪ the bellow of a bull
