1. rub down manually manipulate (someone's body), usually for medicinal or relaxation purposes
  2. rubdown the act of rubbing down, usually for relaxation or medicinal purposes
  3. rope down lower oneself with a rope coiled around the body from a mountainside
  4. run down injure or kill by running over, as with a vehicle
  5. run-down worn and broken down by hard use
  6. rundown a concluding summary
  7. rabbit on talk in a noisy, excited, or declamatory manner
  8. Rubicon the boundary in ancient times between Italy and Gaul
  9. ram down strike or drive against with a heavy impact
  10. drop down fall or descend to a lower place or level
  11. ebb down flow back or recede
  12. roll down gather into a huge mass and roll down a mountain, of snow
  13. pour down drink down entirely
  14. rain down precipitate as rain
  15. rubidium a soft silvery metallic element of the alkali metal group
  16. top-down of an approach to a problem that begins at the highest conceptual level and works down to the details
  17. bow down bend one's knee or body, or lower one's head
  18. beardown with full strength
  19. kip down prepare for sleep
  20. rubato a flexible tempo; not strictly on the beat