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dai·my·oor dai·mi·o (dī′mē-ō′, dīm′yō′)
n. pl. daimyo or dai·my·os also daimio or dai·mi·os
A feudal lord of Japan who was a large landowner.
[Japanese daimyō : dai, great, big; see daikon + myō, name (from Early Middle Chinese mjiajng; akin to Tibetan ming, name and Burmese mañ, to be named).]