Air Force

noun

1. the U.S. department consisting of practically all military aviation forces, established July 26, 1947.

2. air force, a similar department in any military organization.

3. air force, (formerly) the largest unit in the U.S. Army Air Forces.

4. air force, a unit of U.S. Air Force command between an air division and an air command.

5. Sometimes air force the military unit of a nation charged with carrying out military operations in the air.

6. British.,  Royal Air Force.

air force

noun

1. 1. the branch of a nation's armed services primarily responsible for air warfare

   2. ( as modifier )

      an air-force base

2. a formation in the US and certain other air forces larger than an air division but smaller than an air command

Word History and Origins

Origin of air force¹

First recorded in 1915–1920

Example Sentences

The chief of staff of the Air Force also announced his retirement without explanation just two years into a four-year term.

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A criminal affidavit made public Tuesday said that Tellis went into the State Department late on September 25 and appeared to print from a secret document on US Air Force techniques.

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The plane was off the coast of southern Ireland when it decided to turn back and landed at Royal Air Force Mildenhall.

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Late in the evening of September 25, Tellis entered the State Department, where he served as an unpaid advisor, and appeared to print from a secret document on US Air Force techniques, the affidavit said.

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It is bidding for an Air Force contract that could unleash another $500 million in investment to build a military aircraft in American soil, he said.

Read more on The Wall Street Journal