subirrigate

American  

[suhb-ir-i-geyt] / sʌbˈɪr ɪˌgeɪt /

verb (used with object)

subirrigated, subirrigating

1. to irrigate beneath the surface of the ground, as with water passing through a system of underground porous pipes or transmitted through the subsoil from ditches, etc.

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subirrigate British  

/ sʌbˈɪrɪˌɡeɪt /

verb

1. to irrigate (land) by means of an underground system of pipe lines or by natural moisture in the subsoil

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Other Word Forms

• subirrigation
  noun

Etymology

Origin of subirrigate

An Americanism dating back to 1900–05; sub- + irrigate