1. accordion a portable box-shaped free-reed instrument
  2. accordance concurrence or agreement of opinion
  3. Ageratina annual to perennial herbs or shrubs of eastern United States and Central and South America
  4. cordon a series of sentinels or posts enclosing some place or thing
  5. acrodont an animal having teeth consolidated with the summit of the alveolar ridge without sockets
  6. according in agreement with
  7. accordant being in agreement or harmony; often followed by `with'
  8. accord concurrence of opinion
  9. acrimony a rough and bitter manner
  10. au gratin covered with breadcrumbs or cheese and baked
  11. acorn fruit of the oak tree
  12. cardoon southern European plant having spiny leaves and purple flowers cultivated for its edible leafstalks and roots
  13. acronym a word formed from the initial letters of several words
  14. cortina a cobwebby partial veil consisting of silky fibrils
  15. acardia congenital absence of the heart
  16. ordain invest with ministerial or priestly authority
  17. Gordon Howe Canadian hockey player who holds the record for playing the most games (born 1928)
  18. accordion door an interior door that opens by folding back in sections
  19. accordingly in agreement with
  20. cordial politely warm and friendly