( n. )
A small pipe forming part of the boiler, containing water and surrounded by flame or hot gases, or else surrounded by water and forming a flue for the gases to pass through.
( n. )
A small pipe forming part of the boiler, containing water and surrounded by flame or hot gases, or else surrounded by water and forming a flue for the gases to pass through.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012