1. jackboot (19th century) a man's high tasseled boot
  2. jackpot the cumulative amount involved in a game (such as poker)
  3. lake poets English poets at the beginning of the 19th century who lived in the Lake District and were inspired by it
  4. Jacobite a supporter of James II after he was overthrown or a supporter of the Stuarts
  5. Jacobs United States writer and critic of urban planning
  6. yak butter butter made from yaks' milk
  7. jukebox a cabinet containing an automatic record player
  8. whereabouts the general location of someone or something
  9. jack bean annual semi-erect bushy plant of tropical South America bearing long pods with white seeds grown especially for forage
  10. Jack Benny United States comedian known for his timeing and delivery and self-effacing humor (1894-1974)
  11. jack-by-the-hedge European herb that smells like garlic
  12. Jack Frost a personification of frost or winter weather
  13. ambitious having a strong desire for success or achievement
  14. decubitus a reclining position (as in a bed)
  15. Aetobatus a genus of Myliobatidae
  16. rock bottom the absolute bottom
  17. arbutus any of several evergreen shrubs of the genus Arbutus of temperate Europe and America
  18. back brace a brace worn to support the back
  19. jack plane a carpenter's plane for rough finishing
  20. jackanapes someone who is unimportant but cheeky and presumptuous

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