Leach

n.	1.	(Naut.) See 3d Leech.
	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. Leach tub a wooden tub in which ashes are leached.
v. t.	1.	To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee. [imp. & p. p. Leached ; p. pr. & vb. n. Leaching.]
	2.	To dissolve out; - often used with out; as, to leach out alkali from ashes.
v. i.	1.	To part with soluble constituents by percolation.
n.	1.	See Leech, a physician.

Noun	1.	leach - the process of leaching Synonyms: leaching
Verb	1.	leach - cause (a liquid) to leach or percolate
	2.	leach - permeate or penetrate gradually; "the fertilizer leached into the ground" Synonyms: percolate
	3.	leach - remove substances from by a percolating liquid; "leach the soil" Synonyms: strip

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