(n.) A winding or zigzag trench forming a path or communication from one siegework to another, to a magazine, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). boyau. Retrieved September 21, 2026, from http://smartdefine.org/boyau/definitions/1981998 |
| Chicago | Webster's. 2011. "boyau" http://smartdefine.org/boyau/definitions/1981998 (accessed September 21, 2026). |
| Harvard | Webster's 2011, boyau, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/boyau/definitions/1981998>. |
| MLA | Webster's. "boyau" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/boyau/definitions/1981998> |