1. black box equipment that records information about the performance of an aircraft during flight
  2. play-box a box for a child's toys and personal things
  3. playbox a box for a child's toys and personal things
  4. pillar box a red pillar-shaped letter box
  5. alms box box for collecting alms, especially one in a church
  6. press box box reserved for reporters (as at a sports event)
  7. pillbox a small case for holding pills
  8. black sea bass bluish black-striped sea bass of the Atlantic coast of the United States
  9. lockbox a fireproof metal strongbox for storing valuables
  10. plague spot a spot on the skin characteristic of the plague
  11. dialog box (computer science) a small temporary window in a graphical user interface that appears in order to request information from the user; after the information has been provided the user dismisses the box with `okay' or `cancel'
  12. black spruce small spruce of boggy areas of northeastern North America having spreading branches with dense foliage; inferior wood
  13. black spot any of several fungous diseases of plants that produce small black spots on the plant
  14. ballot box a box where voters deposit their ballots
  15. play group a small informal nursery group meeting for half-day sessions
  16. play back reproduce (a recording) on a recorder
  17. playbook a book containing the scripts of one or more dramatic plays
  18. poor box box for collecting alms, especially one in a church
  19. paintbox a box containing a collection of cubes or tubes of artists' paint
  20. call box booth for using a telephone