Leach /(?)/

1. See 3d Leech. (Naut.)

1. A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
2. A tub or vat for leaching ashes, bark, etc.

imp. & p. p. Leached; p. pr. & vb. n. Leaching

1. To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee.
2. To dissolve out; -- often used with out; as, to leach out alkali from ashes.

1. To part with soluble constituents by percolation.

1. See Leech, a physician. [Obs.]