double_time
1. [ noun ] a fast marching pace (180 steps/min) or slow jog
Related terms: pace
2. [ adverb ] at a faster speed
Synonyms: double_quick
Examples:

"now let's play the piece again double-quick"

3. [ noun ] (business) a doubled wage (for working overtime)
Related terms: wage
Similar spelling:   double_take
  double_tongue
  double_dye
  double_date
  double_talk
  double-date
  doubleton
  double_digit
  Doubleday
  double_dipper
  double_dagger
  doubletree
  double_damages
  double_dipping
  double-dyed
  double-team
  double_dribble
  double_door
  doublethink
  double-edged
  double_Dutch
  doubleheader
  duple_time
  double-decker
  double-dealer