air passage air oven • air philately · · · Info · Definitions · Synonyms · Characters · · air passage · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a duct that provides ventilation (as in mines). Synonyms: air passage, air duct, airway. · · Noun Definition 1 Synonyms · · · air duct · · Synonym 1 airway · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 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