Third person singular present tense of roar: to make a deep, loud, powerful sound like a lion or engine.
From Old English 'rarian,' possibly imitative in origin. Related to Old Norse 'rjóa.' The word has consistently referred to loud, resonant sounds throughout its history.
Many languages have their own versions of 'roar'—Spanish 'rugir,' French 'rugir,' German 'brüllen'—showing that humans everywhere independently created similar sounds to describe this powerful noise! It's one of the most universal onomatopoeia.
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