underdrain

U1N1D2E1R1D2R1A1I1N1

noun

An underground drain or trench with openings through which the water may percolate from the soil or ground above.

Similar
underdrainer
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Meanings

noununderdrain (plural underdrains)

plural underdrains

  1. An underground drain or trench with openings through which the water may percolate from the soil or ground above.

    Synonyms: underdrainer

verbunderdrain (third-person singular simple present underdrains, present participle underdraining, simple past and past participle underdrained)

present singular third person underdrains · participle present underdraining · participle past underdrained · past underdrained

  1. transitiveTo drain by forming an underdrain or underdrains in.

Synonyms & antonyms

nounAn underground drain or trench with openings through which the water may percolate from the soil or ground above.

Similar
underdrainer
Also see
underdrainer

Origin

From under- + drain.

Full word history & related roots →
Cite this entry
APA

underdrain. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/underdrain

MLA

“underdrain.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underdrain. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “underdrain,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/underdrain.

Source: underdrain on Wiktionary, CC BY-SA 4.0.