stannary /ˈstænəɹi/adjective 1noun 1forms 1 adjective1 •Of or pertaining to tin mining, especially in Cornwall.The stannary courts of Devonshire and Cornwall, for the administration of justice among the tinners therein, are also courts of record. — 1765 noun1 •A tin mine or tinworks.If by publike lavv the mint vvere ordained to be onely supplyed by our stanneries, hovv currantly vvould they pass for more precious then silver mines? — 1648 formsstannaries