rare. [f. Gr. έλεύθερος free + -αρχης ruler.] The chief of an (imaginary) secret society called the Eleutheri.
1813. T. J. Hogg, Alexy Haimatoff, 178. The Eleutherarch asked if they had any objection to my being initiated in the mysteries of the Eleutheri.
1813. Shelley, Lett., 26 Nov., in Contemp. Rev. (1884), 387. The Swans and the Eleutherarchs are proofs that you were a little sleepy.
1817. T. L. Peacock, Nightmare Abbey, 97. He slept and dreamed of venerable eleutherarchs.