- See 3d Leech. - A quantity of wood ashes, through which water passes, and
thus imbibes the alkali. - A tub or vat for leaching ashes, bark, etc. - See Leech, a physician.
2 . Leach
[ v. i.]
- To part with soluble constituents by percolation.
3 . Leach
[ 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. - To dissolve out; -- often used with out; as, to leach out
alkali from ashes.
Meaning of 'leach' (Princeton's WordNet)
1 . leach
[ v]
Meaning (1): - remove substances from by a percolating liquid