Cite
 

Meaning of subirrigate

sub•ir•ri•gate

Pronunciation: (sub-ir'i-gāt"), [key]
— -gat•ed, -gat•ing.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.