- (n.) A defensive work of moderate height, hastily thrown up, of earth or other material.
- (n.) A railing on the quarter-deck and forecastle.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). breastwork. Retrieved September 22, 2026, from http://smartdefine.org/breastwork/definitions/1982330 |
| Chicago | Webster's. 2011. "breastwork" http://smartdefine.org/breastwork/definitions/1982330 (accessed September 22, 2026). |
| Harvard | Webster's 2011, breastwork, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/breastwork/definitions/1982330>. |
| MLA | Webster's. "breastwork" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/breastwork/definitions/1982330> |