1. blue peter a blue flag with a white square in the center indicates that the vessel is ready to sail
  2. blue elder shrub or small tree of western United States having white flowers and blue berries; fruit used in wines and jellies
  3. blubberer someone who sniffles and weeps with loud sobs
  4. blue star subshrubs of southeastern United States forming slow-growing clumps and having blue flowers in short terminal cymes
  5. bluster be gusty, as of wind
  6. blackwater any of several human or animal diseases characterized by dark urine resulting from rapid breakdown of red blood cells
  7. blue story an indelicate joke
  8. bluebottle an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
  9. bespatter spot, splash, or soil
  10. blueberry any of numerous shrubs of the genus Vaccinium bearing blueberries
  11. bolometer an instrument that measures heat radiation
  12. puppeteer one who operates dolls or marionettes
  13. Bluebeard a monstrous villain who marries seven women
  14. baluster one of a number of closely spaced supports for a railing
  15. blighter a boy or man
  16. blustery blowing in violent and abrupt bursts
  17. blaster a workman employed to blast with explosives
  18. blister an elevation of the skin filled with serous fluid
  19. bloater large fatty herring lightly salted and briefly smoked
  20. blooper an embarrassing mistake

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