Obs. Min. [Cf. CLUNCH.] See quot.
1747. Hooson, Miner’s Dict., E iij b. Clauncher, a piece of Kevell, Tufft, Stone, &c., having always some Joynt at the back of it, which being driven past becomes loose, and being struck upon yields a sound, and often slips down unexpectedly, and many times Ore has been discovered at the back of such Claunchers.
