Word Study
batardeau
CIDE DICTIONARY
batardeau, n. [F.].
- A cofferdam. Brande & C. [1913 Webster]
- 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. [1913 Webster]
For further exploring for "batardeau" in Webster Dictionary Online