BATARDEAU
Source: 567
‖Ba′tar‐deau″ (�), n. [] 1. 1. A cofferdam. Brande & C.
2. 2. (Mil.) 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.
Source: 567
‖Ba′tar‐deau″ (�), n. [] 1. 1. A cofferdam. Brande & C.
2. 2. (Mil.) 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.