Step upon the forward face of a trench upon which men stood to fire or observe. The floor of the trench was lower so that the soldiers could walk upright without exposing their heads above the top.
Found on
http://spartacus-educational.com/FWWglossary.htm
(from the article `trench warfare`) ...a trench, soil from the excavation is used to create raised parapets running both in front of and behind the trench. Within the trench are firing ...
Found on
http://www.britannica.com/eb/a-z/f/28
No exact match found.
