1660s, from French ballette from Italian balletto, diminutive of ballo "a dance" (see ball (n.2)). Balletomane attested by 1930.
Theatrical entertainment in which dancers, usually accompanied by music, tell a story or express a mood through their movements. The technique of ballet is elaborate and requires many years of training. Two classical ballets are Swan Lake and The Nutcracker, composed by Peter Ilyich Tchaikovsky. Two great modern ballets are The Rite of Spring, composed by Igor Stravinsky, and Fancy Free, by Leonard Bernstein.