1. large rooms or halls designed for dancing, especially formal dancing

Examples

• The hotel has two elegant ballrooms for wedding receptions.
• They practiced their waltz in one of the ballrooms at the dance studio.
• The charity gala was held in the grand ballroom of the convention center.
• Many ballrooms feature crystal chandeliers and polished wooden floors.
• The ballrooms were decorated with flowers for the debutante ball.
• Professional dancers competed in ballrooms across the country.