What is the meaning of Roar?

To make a loud, deep cry, especially from pain, anger, or other strong emotion.

To laugh in a particularly loud manner.

Of animals (especially a lion), to make a loud deep noise.

Generally, of inanimate objects etc., to make a loud resounding noise.

To proceed vigorously.

To cry aloud; to proclaim loudly.

To be boisterous; to be disorderly.

To make a loud noise in breathing, as horses do when they have a certain disease.

To cry.

A long, loud, deep shout, as of rage or laughter, made with the mouth wide open.

The cry of the lion.

The deep cry of the bull.

A loud resounding noise.

A show of strength or character.

present indicative of roa

Source: wiktionary.org