AWACS Syllabification: (AWACS)Pronunciation: /ˈāˌwaks/Definition of AWACS noun a long-range airborne radar system for detecting enemy aircraft and missiles and directing attacks on them: [as modifier]:AWACS aircraftOrigin: 1960s: acronym from airborne warning and control systemAWACS in other Oxford dictionaries Definition of AWACS in the British & World English dictionary