Definitions:

1. A historical dance performed by four couples in a rectangular formation, and a precursor to traditional square dancing, consisting of a series of steps or 'figures', usually in five or six parts, where couples interact with each other in a choreographed manner. NOUN
   • The ballroom was filled with the lively steps of the quadrille, as elegantly dressed couples moved in synchronized patterns.
2. A popular 18th and 19th-century European dance performed by four couples arranged in a square, often performed at balls and social gatherings. NOUN
   • At the royal ball, the guests participated in an elegant quadrille, moveing gracefully to the rhythm of the music.
3. In equestrian settings, refers to a choreographed, synchronized performance by four or more horses and their riders, often perfomed as a form of dressage. NOUN
   • At the equestrian show, the horses and riders performed a quadrille, displaying perfect coordination in their formation.
4. Refers to an old French card game for four players that was popular in the 18th century similar to the game of ombre. NOUN
   • In the past, playing quadrille, a popular card game in French society, was a common way to pass the time at social gatherings.
5. The appropriate music for a quadrille, typically lively, rhythmic, and composed in tow or four beats per measure, and often having multiple movements corresponding to the various figures of the dance. NOUN
   • The musicians played a fast-paced quadrille that matched the intricate movements of the dancers.

Synonyms:

• cotillion
• square dance