1. black magic the belief in magical spells that harness occult forces or evil spirits to produce unnatural effects in the world
  2. black music music created by African-American musicians
  3. black medick prostrate European herb with small yellow flowers and curved black pods; naturalized in North America
  4. blackmail extortion of money by threats to divulge harmful information
  5. black Maria van used by police to transport prisoners
  6. Black Maria a form of whist in which players avoid winning tricks containing hearts or the queen of spades
  7. black market an illegal market in which goods or currencies are bought and sold in violation of rationing or controls
  8. black cock male black grouse
  9. black hemlock large evergreen of western United States
  10. blackcock male black grouse
  11. black margate dusky grey food fish found from Louisiana and Florida southward
  12. black mamba a highly venomous southern African mamba dreaded because of its quickness and readiness to bite
  13. black-market distributed or sold illicitly
  14. black maire northern Zealand tree having dense hard light-brown wood
  15. black-marked having black marks
  16. black sage an aromatic plant with wooly leaves found in southern California and Mexico
  17. Black man a man who is Black
  18. Black American an American whose ancestors were born in Africa
  19. blackjack oak a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
  20. black mallee a small mallee with rough dark-colored bark toward the butt