舞踏会

(1)the people assembled at a lavish formal dance; "the ball was already emptying out before the fire alarm sounded"

(2)豪勢で正式な舞踏会に集まる人々

(3)a lavish dance requiring formal attire

(4)正装を必要とする贅沢なダンス

(5)a party for social dancing

(6)社交ダンスのパーティー