1. bulk mail mail consisting of large numbers of identical items (circulars or advertisements) sent to individual addresses at less than 1st-class rates and paid for in one lot
  2. blackmail extortion of money by threats to divulge harmful information
  3. black mallee a small mallee with rough dark-colored bark toward the butt
  4. Bokmaal book language
  5. Bokmal book language
  6. blackmailer a criminal who extorts money from someone by threatening to expose embarrassing information about them
  7. blacktail mule deer of western Rocky Mountains
  8. black maire northern Zealand tree having dense hard light-brown wood
  9. black Maria van used by police to transport prisoners
  10. Black Maria a form of whist in which players avoid winning tricks containing hearts or the queen of spades
  11. junk mail third-class mail consisting of advertising and often addressed to `resident' or `occupant'
  12. bell gable an extension of a gable that serves as a bell cote
  13. black morel a morel whose pitted fertile body is attached to the stalk with little free skirt around it; the fertile body is grey when young and black in old age
  14. bulk modulus the ratio of the change in pressure acting on a volume to the fractional change in volume
  15. ball game a field game played with a ball (especially baseball)
  16. blackball vote against; refuse to endorse; refuse to assent
  17. Black man a man who is Black
  18. ballgame a field game played with a ball (especially baseball)
  19. bilge keel either of two lengthwise fins attached along the outside of a ship's bilge; reduces rolling
  20. black bile a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy

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