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Use "intrenchment" in a sentence
"The intrenchment was a formidable one, being provided with parapets armed with chevaux de frise, and flanked by strong exterior works, while several batteries had been placed to sweep the ground across which an enemy must advance."
"In front of the stockade, but some considerable distance from it, and on the sloping land that was nigh to the beach, we had thrown up a kind of intrenchment, behind which we could kneel and fire, and under whose cover we hoped to be able to make a good account of assailants."
"The parapet of the intrenchment was too high for my horse to jump, so, riding a short distance to the left, I entered through a low place in the line."