leach

leach is defined in Webster's Unabridged Dictionary (1913) with 6 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A quantity of wood ashes, through which water passes, and thus imbibes the alkali.
  2. 2.A tub or vat for leaching ashes, bark, etc. Leach tub, a wooden tub in which ashes are leached.
  3. 3.To remove the soluble constituents from by subjecting to the action of percolating water or other liquid; as, to leach ashes or coffee.
  4. 4.To dissolve out; -- often used with out; as, to leach out alkali from ashes.
  5. 5.To part with soluble constituents by percolation.
  6. 6.See Leech, a physician. [Obs.]

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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