hemi·cy·cle /ˈhɛmɪˌsaɪkəl/
半圓形,半圓形的斗技場,半圓形的房間
Hem·i·cy·cle n.
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.
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hemicycle
n : a plane figure with the shape of half a circle [syn: semicircle]