DUO Meaning of DUO in English transcription, транскрипция: [ ˈdü-(ˌ)ō also ]ˈdyü- noun( plural du·os )Etymology: Italian, from Latin, two — more at twoDate: 15901. : duet2. : pair 2 Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003