air duct air-dry • aire · · · Info · Definitions · Synonyms · Characters · · air duct · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a duct that provides ventilation (as in mines). Synonyms: air passage, air duct, airway. · · Noun Definition 1 Synonyms · · · air passage · · Synonym 1 airway · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075