noun, noun or participle which takes 'suru'
control; management; person in control
Historical term referring to a high-ranking official who controlled or supervised affairs, especially in the Muromachi shogunate. Also used more broadly for a person in charge or the act of controlling.
室町幕府の管領は、将軍に次ぐ重要な役職だった。
The kanrei of the Muromachi shogunate was an important post second only to the shogun.
He has sole control over the company's management.