The definition of Commodus was the emperor of Rome from 180-192 A.D.(noun)
An example of Commodus is the cruel Roman emperor who was born in 161 A.D. and was murdered in 192 in a conspiracy which was participated in by his mistress Marcia and his wrestling partner Narcissus.
See Commodus in Webster's New World College Dictionary
See Commodus in American Heritage Dictionary 4
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