Meaning | An optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument. |
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Part of | firearm, piece, small-arm | A portable gun |
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surveying instrument, surveyor's instrument | An instrument used by surveyors |
Parts | eyepiece, ocular | combination of lenses at the viewing end of optical instruments |
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Narrower | bombsight | A sighting device in an aircraft for aiming bombs |
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gunsight, gun-sight | A sight used for aiming a gun |
Broader | optical instrument | An instrument designed to aid vision |
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Spanish | visor |
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Catalan | visor |
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