Boyau
From Wikipedia, the free encyclopedia
In fortification, a boyau is a gut, or branch of the trenches, or a ditch covered with a parapet, serving for a communication between two trenches.
A boyau is also a line, drawn winding about, in order to enclose several tracts of land, or to attack some works.
This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain.
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