air speed airspeed • air-speed indicator · · · Info · Definitions · Characters · · air speed · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) the speed of an aircraft relative to the air in which it is flying. Synonyms: airspeed. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073