noun
: a usually hollow and cast iron pile that has a screw flange of usually from one to two turns and is used in soft mud or other location requiring a large supporting surface at the end of the pile
noun
: a usually hollow and cast iron pile that has a screw flange of usually from one to two turns and is used in soft mud or other location requiring a large supporting surface at the end of the pile
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012