Jisho

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Noun
1. trench; dugout
Wikipedia definition
2. Trench warfareTrench warfare is a form of occupied fighting lines, consisting largely of trenches, in which troops are largely protected from the enemy's small arms fire and are substantially sheltered from artillery. It has become a byword for attrition warfare, for stalemate in conflict, with a slow wearing down of opposing forces.
Read “Trench warfare” on English Wikipedia
Read “塹壕” on Japanese Wikipedia
Read “Trench warfare” on DBpedia

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