1. aviation

noun. ['ˌeɪviːˈeɪʃən'] the aggregation of a country's military aircraft.

Rhymes with Federal Aviation Agency

• interagency

2. aviation

noun. ['ˌeɪviːˈeɪʃən'] the art of operating aircraft.

3. federal

adjective. ['ˈfɛdɝəl, ˈfɛdrəl'] national; especially in reference to the government of the United States as distinct from that of its member units.

4. Federal

adjective. being of or having to do with the northern United States and those loyal to the Union during the American Civil War.

5. Federal

noun. any federal law-enforcement officer.

6. Federal

noun. a member of the Union Army during the American Civil War.

7. agency

noun. ['ˈeɪdʒənsi'] an administrative unit of government.

8. agency

noun. ['ˈeɪdʒənsi'] a business that serves other businesses.

9. agency

noun. ['ˈeɪdʒənsi'] the state of being in action or exerting power.

10. agency

noun. ['ˈeɪdʒənsi'] the state of serving as an official and authorized delegate or agent.