The Collaborative International Dictionary
Flosh
Flosh \Flosh\, n. [Cf. G. fl["o]sse a trough in which tin ore is
washed.] (Metallurgy)
A hopper-shaped box or ?nortar in which ore is placed for the
action of the stamps.
--Knight.
Wiktionary
flosh
n. (context obsolete English) A hopper-shaped box in which ore is placed to be stamped.