Dictionary

subirrigation

noun sub·ir·ri·ga·tion \-ˌir-ə-ˈgā-shən\

Definition of SUBIRRIGATION

:  irrigation below the surface (as by a periodic rise of the water table or by a system of underground porous pipes)
sub·ir·ri·gate \-ˈir-ə-ˌgāt\ transitive verb

First Known Use of SUBIRRIGATION

1875

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