1. chamber of commerce an association of businesspeople to protect and promote business interests
  2. damp-proof course a course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the building
  3. Secretary of Commerce the position of the head of the Department of Commerce
  4. chamber orchestra small orchestra; usually plays classical music
  5. article of commerce an article that is offered for sale
  6. chamber music serious music performed by a small group of musicians
  7. Department of Commerce the United States federal department that promotes and administers domestic and foreign trade (including management of the census and the patent office); created in 1913
  8. Ambrose Bierce United States writer of caustic wit (1842-1914)
  9. imperfectness the state or an instance of being imperfect
  10. ambergris waxy substance secreted by the sperm whale and found floating at sea or washed ashore; used in perfume
  11. impervious not admitting of passage or capable of being affected
  12. imperfect tense a tense of verbs used in describing action that is on-going
  13. chambermaid a maid who is employed to clean and care for bedrooms
  14. chambered nautilus cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
  15. commerce transactions supplying goods and services
  16. hamburger a sandwich consisting of a fried cake of minced beef served on a bun, often with other ingredients
  17. Lambertia formosa erect bushy shrub of eastern Australia having terminal clusters of red flowers yielding much nectar
  18. timber-framed framed by exposed timbers
  19. Scomberomorus Spanish mackerels
  20. imperfect defective or inadequate