also: マスカレイド
Refers to a formal dance or party where guests wear masks and costumes. Often used in the phrase 仮面舞踏会, but マスカレード is also understood.
See also: 仮面舞踏会
I heard everyone comes wearing masks to tonight's masquerade.
映画の舞台は、華やかなマスカレードの夜だった。
The movie was set on a glamorous masquerade night.