1. bollix up make a mess of, destroy or ruin
  2. block up render unsuitable for passage
  3. bellicosity a natural disposition to fight
  4. blockhouse a stronghold that is reinforced for protection from enemy fire; with apertures for defensive fire
  5. Pollachius pollack
  6. ball club a team of professional baseball players who play and travel together
  7. blackseed grass native to West Indies but common in southern United States having tufted wiry stems often infested with a dark fungus
  8. blackcap chickadee having a dark crown
  9. blacktop a black bituminous material used for paving roads or other areas; usually spread over crushed rock
  10. black spot any of several fungous diseases of plants that produce small black spots on the plant
  11. black sheep sheep with a black coat
  12. billy club a short stout club used primarily by policemen
  13. black sage an aromatic plant with wooly leaves found in southern California and Mexico
  14. black swan large Australian swan having black plumage and a red bill
  15. pelycosaur large primitive reptile having a tall spinal sail
  16. pillowcase bed linen consisting of a cover for a pillow
  17. biologism use of biological principles in explaining human especially social behavior
  18. biologist a scientist who studies living organisms
  19. Polycarp Greek bishop of Smyrna who refused to recant his Christian faith and was burned to death by pagans (circa 69-155)
  20. Blacksburg a university town in southwestern Virginia (west of Roanoke) in the Allegheny Mountains

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