1. birch tree any betulaceous tree or shrub of the genus Betula having a thin peeling bark
  2. Brigate Rosse a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989
  3. brick trowel a trowel used in masonry
  4. brachypterous having very short or rudimentary wings
  5. brush turkey black megapode of wooded regions of Australia and New Guinea
  6. birch beer carbonated drink containing an extract from bark of birch trees
  7. larch tree any of numerous conifers of the genus Larix all having deciduous needlelike leaves
  8. portia tree pantropical tree of usually seacoasts sometimes cultivated as an ornamental for its rounded heart-shaped leaves and showy yellow and purple flowers; yields valuable pink to dark red close-grained wood and oil from its seeds
  9. parachuter a person who jumps from aircraft using a parachute
  10. Parochetus one species: shamrock pea
  11. Taricha torosa newt that is similar to Taricha granulosa in characteristics and habitat
  12. Arcturus the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth
  13. percutaneous through the unbroken skin
  14. Spirochaetales higher bacteria; slender spiral rodlike forms
  15. birch rod a switch consisting of a twig or a bundle of twigs from a birch tree; used to hit people as punishment
  16. birchbark a canoe made with the bark of a birch tree
  17. bracket creep a movement into a higher tax bracket as taxable income increases
  18. brook trout North American freshwater trout; introduced in Europe
  19. parqueterie a patterned wood inlay used to cover a floor
  20. breakwater a protective structure of stone or concrete

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