( n. )
A wall built across the ditch of a fortification, with a sluice gate to regulate the height of water in the ditch on both sides of the wall.
( n. )
A wall built across the ditch of a fortification, with a sluice gate to regulate the height of water in the ditch on both sides of the wall.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012