noun
1. : a casing (as of sheet iron) surrounding a pipe or reservoir with an air space between to prevent transmission of heat
2. : the coaming around the stack of a ship at the weather deck serving to ventilate the boiler room
noun
1. : a casing (as of sheet iron) surrounding a pipe or reservoir with an air space between to prevent transmission of heat
2. : the coaming around the stack of a ship at the weather deck serving to ventilate the boiler room
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012