Noah Webster's Dictionary 1. (n.) See Leech. 2. (n.) A quantity of wood ashes, through which water passes, and thus imbibes the alkali. 3. (n.) A tub or vat for leaching ashes, bark, etc. 4. (v. t.) To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee. 5. (v. t.) To dissolve out; -- often used with out; as, to leach out alkali from ashes. 6. (v. i.) To part with soluble constituents by percolation. 7. (n.) See Leech, a physician. Int. Standard Bible Encyclopedia LEACH lech. See HORSELEACH.

Multi-Version Concordance Leach (1 Occurrence) Proverbs 30:15 "The leach has two daughters:'Give, give.' "There are three things that are never satisfied; four that don't say,'Enough:' (WEB KJV ASV)