The Collaborative International Dictionary
Gownman
Gownsman \Gowns"man\, Gownman \Gown"man\, n.; pl. -men (-men). One whose professional habit is a gown, as a divine or lawyer, and particularly a member of an English university; hence, a civilian, in distinction from a soldier.
Wiktionary
gownman
n. (archaic form of gownsman English)