Webster
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Webster’s Revised Unabridged Dictionary · 1913

Leach

Leach (lēch), n. (Naut.) See 3d Leech.

Leach, n. [Written also letch.] [Cf. As. leáh lye, G. lauge. See Lye.] 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.

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.

Leach, v. i. To part with soluble constituents by percolation.

Leach, n. See Leech, a physician. [Obs.]

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.