THEARCHY Meaning of THEARCHY in English n. (pl. -ies) 1 government by a god or gods. 2 a system or order of gods (the Olympian thearchy). [ eccl.Gk thearkhia godhead f. theos god + -arkhia f. arkho rule ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012