To purge a soluble matter out of something by the action of a percolating fluid.
To part with soluble constituents by percolation.
A tub or vat for leaching ashes, bark, etc.
A jelly-like sweetmeat popular in the fifteenth century.
A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
To diffuse by osmosis.
To cause to diffuse by osmosis.