Farmers Slang & Its Analogues. 18901909, rev. 2022.
Ferm
subs. (old cant).A hole; with Spencer = a prison.
1
1632. DEKKER, English Villanies. He [an angler for duds] carries a short staff in his hand which is called a filch, having in the nab or head of it a FERME (that is to say a hole).