Cornwall. Also winz. Altered f. WINCH sb.1 Also attrib.
1839. De la Beche, Rep. Geol. Cornwall, etc. xv. 529. The miners were … taken up in a stirrup by two men, who wound the rope, probably over a winze.
1855. J. R. Leifchild, Cornwall, 36. Upon this platform was fixed a winz for four men.
1875. J. H. Collins, Metal Mining, 7/4. The small kibbles used with the tackle are called ‘winze-kibbles.’
