Toga (noun)

1. A loose outer garment worn by men in ancient Rome, made of a single piece of cloth that was draped over the body and fastened on the shoulder.
2. A similar garment worn by women on formal occasions.
3. A similar garment worn as a costume or for ceremonial or academic occasions.

Origin:

From latin toga, from etruscan 𐌕𐌖𐌂 (toga).

Examples:

1. The Roman senator was dressed in a toga, a symbol of his status.
2. The bride was wearing a toga on her wedding day.
3. The students in the school play wore togas as their costumes.
4. He wore a toga to the academic ceremony.
5. The ancient Roman warriors would go into battle in a toga.