Augusta (Classical Latin: [awˈɡʊsta]; plural Augustae; Greek: αὐγούστα), was a Roman imperial honorific title given to empresses and honoured women of the imperial families. It was the feminine form of Augustus In the third century, Augustae could also receive the titles of Mater Castrorum ("Mother of the Camp") and Mater Patriae ("Mother of the Fatherland").
The title implied the greatest prestige. Augustae could issue their own coinage, wear imperial regalia, and rule their own courts.