The Collaborative International Dictionary of English. 2000.
Boyau — Boy au, n.; pl. {Boyaux} or {Boyaus}. [F. boyau gut, a long and narrow place, and (of trenches) a branch. See {Bowel}.] (Fort.) A winding or zigzag trench forming a path or communication from one siegework to another, to a magazine, etc. [1913… … The Collaborative International Dictionary of English
Boyaux — Boyau Boy au, n.; pl. {Boyaux} or {Boyaus}. [F. boyau gut, a long and narrow place, and (of trenches) a branch. See {Bowel}.] (Fort.) A winding or zigzag trench forming a path or communication from one siegework to another, to a magazine, etc.… … The Collaborative International Dictionary of English
boyau — noun a) In military fortification, a trench or ditch covered with a parapet that provides communication between two trenches, particularly the rear and front lines. Boyaus were typically constructed in a zigzag pattern to prevent exposure to… … Wiktionary
