Noun has 1 sense

• antiaircraft(n = noun.artifact) ack-ack, ack-ack gun, antiaircraft gun, flack, flak, pom-pom - artillery designed to shoot upward at airplanes;



Derived form adjective antiaircraft₁

Adjective has 1 sense

• antiaircraft(s = adj.all) - designed for defense from a surface position against air attack;

Derived form noun antiaircraft₁