AgraPronunciation: /ˈɑːgrə/Definition of Agra a city on the River Jumna in Uttar Pradesh state, northern India; population 1,638,200 (est. 2009). Founded in the early 16th century, Agra was the capital of the Mogul empire until 1658. It is the site of the Taj Mahal. Agra in other Oxford dictionaries Definition of Agra in the US English dictionary