hemicycle
n. அரைவடிவப் பிறை, அரைமதி வடிவம்.
Hem"i*cy`cle, n. Etym: [L. hemicyclus, Gr. 1. A half circle; a semicircle. 2. A semicircular place, as a semicircular arena, or room, or part of a room. The collections will be displayed in the hemicycle of the central pavilion. London Academy.