1. air mass a large body of air with uniform characteristics horizontally
  2. arms weapons considered collectively
  3. Aramus genus of large brown long-billed wading birds found in warm swampy regions of the western hemisphere: courlan; limpkin
  4. amass collect or gather
  5. airiness the property of something spacious and abounding in fresh air
  6. air mail mail that is sent by air transport
  7. air base a base for military aircraft
  8. remiss failing in what duty requires
  9. airmail a system of conveying mail by aircraft
  10. airless lacking fresh air
  11. airman someone who operates an aircraft
  12. air gas a gas made of carbon monoxide and hydrogen and nitrogen
  13. admass the segment of the public that is easily influenced by mass media (chiefly British)
  14. Ormosia genus of tropical shrubs and trees having usually odd-pinnate leaves with large leaflets and pink to reddish wood
  15. armless having no arms
  16. achromasia unnatural lack of color in the skin
  17. tiramisu an Italian dessert consisting of layers of sponge cake soaked with coffee and brandy or liqueur layered with mascarpone cheese and topped with grated chocolate
  18. wireless medium for communication
  19. aroma any property detected by the sense of smell
  20. armada a large fleet