Forms: 5 fyrmar, 6 fermer, fermourer. [f. FARM v.1 + -ER1.]

One who cleanses or purifies. In comb. gong-farmer. Obs.

c1440 Promp. Parv. 203 Goonge fyrmar [v.r. gonge~fowar], cloacarius. c1515 Cocke Lorell's B. (Percy Soc.) 3 Than came a gonge fermourer, Other wyse called a masser scourer. Ibid. 11 Stynkynge gonge fermers.


there is a single OneLook ref.