antiaircraft

adj.
Designed for defense, especially from a surface position, against aircraft or missile attack.

n.
An antiaircraft weapon.

adj. (especially of a gun or missile) used to attack enemy aircraft.

See the Introduction, Abbreviations and Pronunciation for further details.

Note: click on a word meaning below to see its connections and related words.

The noun has one meaning:

Meaning #1: artillery designed to shoot upward at airplanes
  Synonyms: antiaircraft gun, flak, flack, pom-pom, ack-ack, ack-ack gun

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The adjective antiaircraft has one meaning:

Meaning #1: designed for defense from a surface position against air attack

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