Definition of "leach"
noun:
-
A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A tub or vat for leaching ashes, bark, etc.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Alternative spelling of leech.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-
verb:
-
To purge a soluble matter out of something by the action of a percolating fluid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-