noun Date: 1875 irrigation below the surface (as by a periodic rise of the water table or by a system of underground porous pipes), subirrigate transitive verb
SUBIRRIGATION
Meaning of SUBIRRIGATION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012