underdrain

American  

[uhn-der-dreyn, uhn-der-dreyn] / ˈʌn dərˌdreɪn, ˌʌn dərˈdreɪn /

noun

1. a drain placed beneath the surface of cultivated fields, streets, etc.

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verb (used with object)

1. to equip or supply with an underdrain or underdrains.

underdrain British  

noun

1. a drain buried below agricultural land

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verb

1. to bury such drains below (agricultural land)

Other Word Forms

• underdrainage noun

Etymology

Origin of underdrain

First recorded in 1795–1805; under- + drain

Example Sentences

The writer has seen a six-inch underdrain running full of ground water collected within a distance of a hundred feet, but this was in gravel soil through which the water passed very freely.

From Rural Hygiene by Ogden, Henry N. (Henry Neely)

A properly laid underdrain will last half a century or more, but an open drain, especially if deep, has a constant tendency to fill up.

From Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles by French, Henry F. (Henry Flagg)

Still, the importance of draining can not be doubted: the best results follow its use, and he who would reap the best harvests, and attain the highest success, will underdrain his land.

From American Pomology Apples by Warder, J. A.

In clay soils the underdrain is not necessary.

From Rural Hygiene by Ogden, Henry N. (Henry Neely)

The best way undoubtedly is to underdrain the land, and then to distribute the sewage on the principle of intermittent downward filtration.

From Scientific American Supplement, No. 484, April 11, 1885 by Various