Mining. A long shallow trough in which lead or tin ore is dressed.

Mining. A wire-bottomed sieve or screen.

Mining. An apparatus for dressing ore and separating it into layers of varying fineness; consisting wholly or essentially of a sieve, or a box with…

attributive and in other combinations, as jigging-party n. dialect a dancing-party. jigging-machine n. a machine for jigging (usually in sense 5 of…

A machine or contrivance for jigging or dressing ore by shaking it up jerkily in a fluid medium (see jig, v. 5) = jigger, n.1 3b.

(a) a machine in which ore is made to separate according to its specific weight, by the joggling or shaking of an inclined table on which it is…

a rectangular sieve worked by a lever or brake.

attributive and in other combinations, as jigging-party n. dialect a dancing-party. jigging-machine n. a machine for jigging (usually in sense 5 of…

Mining. = griddle, n. 3 (Funk's Stand. Dict.)