1. [syn: leach, leaching]
The Collaborative International Dictionary of English v.0.48:
Leach \Leach\, v. t. [imp. & p. p. Leached; p. pr. & vb. n.
Leaching.] [Written also leech and letch.]
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.
WordNet (r) 3.0 (2006):
n 1: the process of leaching [syn: leach, leaching]