Definition of Old Persian in US English:

Old Persian

noun

  • The Persian language up to the 3rd century BC, used in the ancient Persian empire and written in cuneiform.

    • ‘In 1844, Rawlinson scaled the almost sheer cliffs of Bisitun, in Persia, copying relief sculptures and their accompanying cuneiform inscriptions in Old Persian, Elamite and Babylonian.’
    • ‘In the east, languages like Sogdian look like ‘sons of Old Persian.’’
    • ‘Bisitun was trilingual, with inscriptions in Old Persian, Elamite and Babylonian.’