1. blue racer bluish-green blacksnake found from Ohio to Texas
  2. Pleurosorus small genus comprising terrestrial ferns
  3. Burseraceae resinous or aromatic chiefly tropical shrubs or trees
  4. bluegrass any of various grasses of the genus Poa
  5. Bluegrass an area in central Kentucky noted for it bluegrass and thoroughbred horses
  6. blue runner fish of western Atlantic: Cape Cod to Brazil
  7. black racer blackish racer of the eastern United States that grows to six feet
  8. power series the sum of terms containing successively higher integral powers of a variable
  9. blue grass any of various grasses of the genus Poa
  10. braces an appliance that corrects dental irregularities
  11. bracero a Mexican laborer who worked in the United States on farms and railroads in order to ease labor shortages during World War II
  12. blue copperas hydrated blue crystalline form of copper sulfate
  13. black rhinoceros African rhino; in danger of extinction
  14. bracer a protective covering for the wrist or arm that is used in archery and fencing and other sports
  15. barosaurus a dinosaur that could grow to be as tall as a building five stories tall
  16. bilharziasis an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected
  17. double reverse (American football) a running play in which a first reverse is followed by a second reverse
  18. pleurisy root erect perennial of eastern and southern United States having showy orange flowers
  19. Black race a dark-skinned race
  20. lancers a quadrille for 8 or 16 couples

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