Mining. Also biche, BECHE, q.v.
1747. Hooson, Miner’s Dict., s.v. Boring, For drawing up the Rods, we have, to hold them, an Iron Instrument called a Bitch, and, for unscrewing them, two more we call Dogs.
1881. Raymond, Mining Gloss., Biche, a tool ending below in a conical cavity, for recovering broken rods from a bore-hole.
