What is a narrow passage or entrance; as: (a) A defile between mountains. (b) The entrance into a bastion or other outwork of a fort; -- usually synonymous with rear. See Illust. of Bastion called?

gorge — A narrow passage or entrance; as: (a) A defile between mountains. (b) The entrance into a bastion or other outwork of a fort; -- usually synonymous with rear. See Illust. of Bastion. (Webster's 1913.)

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