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Someone who guides, especially someone hired to show people around a place or an institution and offer information and explanation, or to lead them through dangerous terrain.
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A document or book that offers information or instruction; guidebook.
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A sign that guides people; guidepost.
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Any marking or object that catches the eye to provide quick reference.
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Synonym of legend, a key to symbols, abbreviations, and terms on a map, chart, etc.
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A device that guides part of a machine, or guides motion or action.
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(occult) A spirit believed to speak through a medium.
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(military) A member of a group marching in formation who sets the pattern of movement or alignment for the rest.