À la seconde - A movement with feet to the side or in second position, as in pirouette à la seconde, in which the dancer turns with the working leg à la hauteur (elevated) in second position. An implicit attribute of movements such as tendu, glisse, and grand battement.
À terre - touching the floor.
Abstract dance - A plot less work composed of pure dance movements, although the composition may suggest a mood or subject.
Accent - the dominant beat of the music measure, usually the first beat of the measure.
Adage - Ballet, a slow section of a pas de deux. Dance class exercise focussing on slow, controlled movements that highlight balance and extension, and require strength and poise.
Adagio - Dance class where exercises for balance and sustained movement are performed.
Adagio - Any dance to slow music; also, part of the classical pas de deux in ballet.
In classical ballet the pas de deux (duet) consists of four sections: an opening adagio in which the man supports the woman in turns and balances, followed by a solo variation for each of them, and concluded by a fast coda in which they again dance together.
Ad Lib - to “improvise”.
air, en l' - (ballet) a step done off the ground -- for instance, rond de jambe en l'air.
Alegrias - Spanish Gypsy dance. It suggests the movements of the bullfight and is usually danced by a woman alone.
Allegro - A dance with a fast or moderate tempo. That part of a ballet class comprised of fast turning or jumping, especially beaten steps; usually follows the adagio.
Allemande - Dance originated in Germany in the early 16th century.
Allonge - (ballet) an elongated line; in particular, the horizontal line of an arabesque with one arm stretched front and the other back.
Amalgamation - A combination of two or more patterns or movements.
Amague - a fake
American Rhythm - American style ballroom dances. Cha-cha, Rumba, East Coast Swing, Bolero, Mambo. Also Samba and West Coast Swing.
American Smooth - American style ballroom dances. Waltz, tango, foxtrot and Viennese waltz.