adjective
bridal
BRY-duhl/ˈbraɪdl/
Relating to a bride or wedding.
The bridal veil rests beside a bouquet and white wedding shoes.

Etymology
Bride plus ale originally named the wedding feast—the celebration marked by drinking. The feast's name then became an adjective for things belonging to a bride or wedding.
In context
They believed that she was to be married that day because she was found dressed in a white bridal gown adorned with the jewelry, rubies, and pearls