velarium

详细解释:n. 篷帐, 天幕

详细解释：

ve.lar.i.um

n.（名词）
pl. ve.lar.i.a[-ô-…]
A large awning, especially one suspended over a Roman theater or amphitheater.
露天剧场的遮阳帐篷：尤指罗马剧院或圆形露天剧场悬挂的大天篷

来源：
Latin vôl3rium
Latin vôl3rium
from vôlum [sail, sheet, curtain]
from vôlum [sail, sheet, curtain]