DAIMYO Meaning of DAIMYO in English [ 'dʌɪmɪəʊ , 'dʌɪmjəʊ ](also daimio ) ■ noun ( plural ~s ) (in feudal Japan) one of the great lords who were vassals of the shogun.OriginJapanese, from dai 'great' + myō 'name'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004