1. locker room a room (as at an athletic facility or workplace) where you can change clothes and which contains lockers for the temporary storage of your clothing and personal possessions
  2. arbitrary based on or subject to individual discretion or preference
  3. locker-room relating to or appropriate for a locker room
  4. master bedroom the principal bedroom in a house
  5. lager beer a general term for beer made with bottom fermenting yeast
  6. cardroom a room for gambling on card games
  7. courtroom a room in which a lawcourt sits
  8. guardroom a room used by soldiers on guard
  9. lower berth the lower of two berths
  10. rocker arm a lever pivoted at the center
  11. carpet loom a loom for weaving carpeting
  12. boardroom a room where a committee meets
  13. checkerbloom perennial purple-flowered wild mallow of western North America that is also cultivated
  14. bedroom a room used primarily for sleeping
  15. laser beam a beam of light generated by a laser
  16. car battery a lead-acid storage battery in a motor vehicle
  17. carob tree evergreen Mediterranean tree with edible pods
  18. scriptorium a room in a monastery that is set aside for writing or copying manuscripts
  19. litter-bearer one who helps carry a stretcher
  20. checker board a board having 64 squares of two alternating colors