1. binary star a system of two stars that revolve around each other under their mutual gravitation
  2. balusters a railing at the side of a staircase or balcony to prevent people from falling
  3. baby's tears prostrate or creeping Corsican herb with moss-like small round short-stemmed leaves
  4. backstairs a second staircase at the rear of a building
  5. polar star the brightest star in Ursa Minor
  6. noreaster a storm blowing from the northeast
  7. prostrate stretched out and lying at full length along the ground
  8. junior status in a junior position
  9. senior status higher rank than that of others especially by reason of longer service
  10. down the stairs on a floor below
  11. binary system a positional system of numeration that uses binary digits and a radix of two
  12. downstairs on or of lower floors of a building
  13. breastwork fortification consisting of a low wall
  14. buffer store (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
  15. prairie star plant with mostly basal leaves and slender open racemes of white or pale pink flowers; prairies and open forest of northwestern United States to British Columbia and Alberta
  16. binary digit either 0 or 1 in binary notation
  17. binary code code using a string of 8 binary digits to represent characters
  18. binary notation any notation that uses 2 characters (usually 0 and 1)
  19. penuriousness a disposition to be niggardly with money
  20. urinary hesitancy difficulty in beginning the flow of urine