anti-aircraft(intended to attack aircraft) adjective [UK: ˌæn.ti.ˈeə.krɑːft] [US: ˌæn.ti.ˈeə.kræft]
abrigo antiaéreonoun {m}
air-raid shelter(reinforced underground shelter designed to give protection against air raids) noun [UK: eə(r) reɪd ˈʃel.tə(r)] [US: ˈer ˈreɪd ˈʃel.tər]