AZYGOS Meaning of AZYGOS in English adj.Variant: also azy · gousPronunciation: ( ˌ ) ā - ' z ī -g ə sFunction: adjective Date: 1681: not being one of a pair : SINGLE <an azygos vein> Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012