• Leach

    Pronunciation

    • UK enPR: lÄ“ch, IPA: /liːtʃ/
    • Homophones: leech
    • Rhymes: -iːtʃ

    Origin

    From Middle English leche ("leachate"), from Old English *lǣċ, *lǣċe ("muddy stream"), from Proto-Germanic *lēkijō ("a leak, drain, flow"), from Proto-Germanic *lēk-, *lak-, *likaną ("to leak, drain"), from Proto-Indo-European *leg(')- ("to leak"). Cognate with Old English leċċan ("to water, moisten"), Old English lacu ("stream, pool, pond"). More at leak, lake.

    Full definition of leach

    Noun

    leach

    (plural leaches)
    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.
      • 1894, Robert Barr, In the Midst of Alarms, ch. 7:"This is the leach," said Kitty, pointing to a large, yellowish, upright wooden cylinder, which rested on some slanting boards, down the surface of which ran a brownish liquid that dripped into a trough.
    3. (nautical) Alternative spelling of leech

    Verb

    1. (transitive) To purge a soluble matter out of something by the action of a percolating fluid.Heavy rainfall can leach out minerals important for plant growth from the soil.
    2. (intransitive) To part with soluble constituents by percolation.

    Usage notes

    Do not confuse this verb with the verb leech.

    Derived terms

    Anagrams

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