The Collaborative International Dictionary of English v.0.48:

Stundist \Stun"dist\, n. [Russ. shtundist, prob. fr. G. stunde
   hour; -- from their meetings for Bible reading.] (Eccl.
   Hist.)
   One of a large sect of Russian dissenters founded, about
   1860, in the village of Osnova, near Odessa, by a peasant,
   Onishchenko, who had apparently been influenced by a German
   sect settled near there. They zealously practice Bible
   reading and reject priestly dominion and all external rites
   of worship. -- Stun"dism, n.
   [Webster 1913 Suppl.]