1. blue gum tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish
  2. blue goose North American wild goose having dark plumage in summer but white in winter
  3. blue grass any of various grasses of the genus Poa
  4. bluegrass any of various grasses of the genus Poa
  5. 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
  6. Bluegrass an area in central Kentucky noted for it bluegrass and thoroughbred horses
  7. polygamous having more than one mate at a time
  8. blue cheese cheese containing a blue mold
  9. blue curls any of several plants of the genus Trichostema having whorls of small blue flowers
  10. Belgium a monarchy in northwestern Europe
  11. black music music created by African-American musicians
  12. black humor the juxtaposition of morbid and farcical elements (in writing or drama) to give a disturbing effect
  13. blackness total absence of light
  14. bleachers an outdoor grandstand without a roof
  15. bleakness a bleak and desolate atmosphere
  16. plug fuse a fuse with a thread that screws into a socket
  17. blue grama a pasture grass of western North America
  18. black humour the juxtaposition of morbid and farcical elements (in writing or drama) to give a disturbing effect
  19. blue-gray of grey tinged with blue
  20. blue-grey of grey tinged with blue

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