Definition of "unarch"

The office of an Unarch is therefore but an honourable title. What can political authority be applied to in the Phalange, where all means of violence are absolutely useless, where no clashing interests, no enemies exist; […]

1910, Mikhail Ivanovich Tugan-Baranovskiĭ, Modern Socialism in Its Historical Development, page 164

Enfantin, the leader of the Saint- Simonians, bore the title of Father. In Fourier's scheme it was expressly declared that there were to be rulers or unarchs; and the supreme ruler, who was to reside in Constantinople, would be known as the omniarch.

1922, Aurel Kolnai, Eden Paul, Cedar Paul, Psychoanalysis and Sociology‎, Harcourt, Brace and Company, page 126

Though there seems to be but little need of government under this system, officers are elected, the head of a phalanx being called an unarch, and the chief of the world phalanxes, an omniarch.

2013, Harry W. Laidler, History of Socialism, page 59