The Collaborative International Dictionary of English v.0.48:

Lavolt \La*volt"\, Lavolta \La*vol"ta\, n. [It. la volta the
   turn, turning, whirl. Cf. Volt of a horse, Volta.]
   An old dance, for two persons, being a kind of waltz, in
   which the woman made a high spring or bound. --Shak.
   [1913 Webster]