Definition of air cavalry in English:

air cavalry

noun

US
Military
  • A highly mobile division of an army which uses aircraft for a variety of functions, as observation, delivery of supplies and troops, aerial assault, evacuation, etc.

Origin

Early 20th century; earliest use found in The Janesville Gazette. From air + cavalry.

Pronunciation

air cavalry

/ˈɛː ˌkavlri/