tacanEnglishOxford Dictionary of Englishtacan /ˈtak(ə)n / ▸ noun [mass noun] an electronic ultra-high-frequency navigational aid system for aircraft, which measures bearing and distance from a ground beacon. – ORIGIN 1950s: from tac(tical) a(ir) n(avigation).
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English