velarium

noun, plural ve·lar·i·a [vuh–lair-ee-uh] /vəˈlɛər i ə/. Roman Antiquity.

1. an awning drawn over a theater or amphitheater as a protection from rain or the sun.

noun plural -laria (-ˈlɛərɪə)

1. an awning used to protect the audience in ancient Roman theatres and amphitheatres