Source : Webster's Revised Unabridged Dictionary (1913)

Quickstep \Quick"step`\, n. (Mus.)
   A lively, spirited march; also, a lively style of dancing.

Source : WordNet®

quickstep
     n 1: military march accompanying quick time
     2: a ballroom dance with both quick and slow steps
     v : perform a quickstep
     [also: {quickstepping}, {quickstepped}]