'air force' definitions:

Definition of 'air force'

From: WordNet
noun
The airborne branch of a country's armed forces [syn: air force, airforce]
noun
The airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space [syn: United States Air Force, U. S. Air Force, US Air Force, Air Force, USAF]

Synonyms of 'air force'

From: Moby Thesaurus