'Quickstep' definitions:

Definition of 'quickstep'

(from WordNet)
noun
Military march accompanying quick time
noun
A ballroom dance with both quick and slow steps
verb
Perform a quickstep

Definition of 'Quickstep'

From: GCIDE
  • Quickstep \Quick"step`\, n. (Mus.) A lively, spirited march; also, a lively style of dancing. [1913 Webster]