How to define a roar?
Score: 4.4/5 (65 votes) 1 : the deep cry of a wild animal (such as a lion) 2 : a loud deep cry (as of pain or anger) 3 : a loud continuous confused sound the roar of the crowd.What makes a roar sound?When just a small puff of air is blown between these two plates, vibrations start, Titze said. That&...