Meaning of LATERAL in English

(1) A branch canal or pipeline that diverges from the main canal or other branches. (2) (Irrigation) A water project or irrigation conveyance structure, smaller than a canal intended to convey water away from the main canal or ditch. (3) (Water Quality) A municipal wastewater drain pipe that connects a home or business to a branch or main line.

Environmental engineering English vocabulary.      Английский словарь экологического инжиниринга.