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's one key to the roar of a lion or tiger: They need very little lung pressure to make large vibrations, which translate to a big sound.

What is the word for a loud roaring sound?

In this page you can discover 71 synonyms, antonyms, idiomatic expressions, and related words for roar, like: bellow, yell, howl, rumble, whisper, bang, noise, call, bluster, shout and boom.