Boyau definition

(military) A small trench or ditch, typically built in a zigzag pattern, serving to connect or provide communication between two trenches, particularly the rear and front lines.
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A line, drawn winding about, in order to enclose several tracts of land, or to attack some works.
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Other Word Forms

Noun

Singular:
boyau
Plural:
boyaus

Origin of boyau

  • From French boyau.

    From Wiktionary