(v.) principal duct or pipe, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main.
MAIN (10)
Meaning of MAIN (10) in English
Webster's English dictionary. Английский словарь Webster. 2012
(v.) principal duct or pipe, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main.
Webster's English dictionary. Английский словарь Webster. 2012