adv. [f. prec. + -LY2.] After the manner of the ascending rows of seats in an amphitheater.
1716. Town Talk, No. 4 (1790), 41. Seats for the audience amphitheatrically built.
1881. Chr. Treas., 434. Beyond the white walls of the Seraglio rise amphitheatrically the houses of Stamboul.