proscænium

Noun

 * 1) * 1918, Sheldon Cheney, The Open-Air Theatre (M. Kennerley), page 179
 * The square whose side is nearest to the “scaena,” and cuts off a segment of the circle, determines by this line the limits of the “proscænium” (A–B).
 * The square whose side is nearest to the “scaena,” and cuts off a segment of the circle, determines by this line the limits of the “proscænium” (A–B).