1. black box equipment that records information about the performance of an aircraft during flight
  2. black book a list of people who are out of favor
  3. black buck common Indian antelope with a dark back and spiral horns
  4. black bass bluish black-striped sea bass of the Atlantic coast of the United States
  5. blackbuck common Indian antelope with a dark back and spiral horns
  6. black Angus black hornless breed from Scotland
  7. black beech New Zealand forest tree
  8. black fox red fox in the color phase when its pelt is mostly black
  9. blackboard sheet of slate; for writing with chalk
  10. lockbox a fireproof metal strongbox for storing valuables
  11. black locust large thorny tree of eastern and central United States having pinnately compound leaves and drooping racemes of white flowers; widely naturalized in many varieties in temperate regions
  12. black body a hypothetical object capable of absorbing all the electromagnetic radiation falling on it
  13. black cock male black grouse
  14. blackbody a hypothetical object capable of absorbing all the electromagnetic radiation falling on it
  15. black moss dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America
  16. blackcock male black grouse
  17. black oak medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped
  18. bankbook a record of deposits and withdrawals and interest held by depositors at certain banks
  19. Blackpool a resort town in Lancashire in northwestern England on the Irish Sea; famous for its tower
  20. black grouse grouse of which the male is bluish-black