The Collaborative International Dictionary
Simplician
Simplician \Sim*pli"cian\, n. [Cf. OF. simplicien.]
One who is simple. [Obs.]
--Arnway.
Wiktionary
simplician
n. (context obsolete English) One who is simple.
Wikipedia
Simplician
Simplician (; ) was Bishop of Milan from 397 to 400 or 401 AD. He is honoured as a Saint in the Roman Catholic and Eastern Orthodox Churches and his feast day is August 14.