"backsight" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0 0",
      "word": "blow a backsight"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "back",
        "3": "sight"
      },
      "expansion": "back + sight",
      "name": "compound"
    }
  ],
  "etymology_text": "From back + sight.",
  "forms": [
    {
      "form": "backsights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backsight (plural backsights)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The rear sight of a firearm."
      ],
      "id": "en-backsight-en-noun-Xvl8As7k",
      "links": [
        [
          "firearm",
          "firearm"
        ]
      ],
      "translations": [
        {
          "_dis1": "100 0 0",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "mernik",
          "sense": "The rear sight of a firearm",
          "word": "мерник"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Surveying",
          "orig": "en:Surveying",
          "parents": [
            "Geography",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
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        }
      ],
      "glosses": [
        "A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station)."
      ],
      "id": "en-backsight-en-noun-dQy5DfkI",
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "elevation",
          "elevation"
        ]
      ],
      "raw_glosses": [
        "(surveying) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station)."
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Surveying",
          "orig": "en:Surveying",
          "parents": [
            "Geography",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A measurement of a previously shot point, used to set the angle to zero when occupying a new position."
      ],
      "id": "en-backsight-en-noun-Yv3SBbpx",
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "occupy",
          "occupy"
        ]
      ],
      "raw_glosses": [
        "(surveying) A measurement of a previously shot point, used to set the angle to zero when occupying a new position."
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    }
  ],
  "word": "backsight"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "back",
        "3": "sight"
      },
      "expansion": "back + sight",
      "name": "compound"
    }
  ],
  "etymology_text": "From back + sight.",
  "forms": [
    {
      "form": "backsights",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "backsighting",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "backsighted",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "backsighted",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backsight (third-person singular simple present backsights, present participle backsighting, simple past and past participle backsighted)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Surveying",
          "orig": "en:Surveying",
          "parents": [
            "Geography",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "To shoot a backsight."
      ],
      "id": "en-backsight-en-verb-MLJhkf4K",
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "shoot",
          "shoot"
        ]
      ],
      "raw_glosses": [
        "(surveying) To shoot a backsight."
      ],
      "related": [
        {
          "word": "foresight"
        },
        {
          "word": "hindsight"
        }
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    }
  ],
  "word": "backsight"
}

{
  "categories": [
    "English 2-syllable words",
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English verbs",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Bulgarian translations"
  ],
  "derived": [
    {
      "word": "blow a backsight"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "back",
        "3": "sight"
      },
      "expansion": "back + sight",
      "name": "compound"
    }
  ],
  "etymology_text": "From back + sight.",
  "forms": [
    {
      "form": "backsights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "backsight (plural backsights)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The rear sight of a firearm."
      ],
      "links": [
        [
          "firearm",
          "firearm"
        ]
      ]
    },
    {
      "categories": [
        "en:Surveying"
      ],
      "glosses": [
        "A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station)."
      ],
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "elevation",
          "elevation"
        ]
      ],
      "raw_glosses": [
        "(surveying) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station)."
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    },
    {
      "categories": [
        "en:Surveying"
      ],
      "glosses": [
        "A measurement of a previously shot point, used to set the angle to zero when occupying a new position."
      ],
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "occupy",
          "occupy"
        ]
      ],
      "raw_glosses": [
        "(surveying) A measurement of a previously shot point, used to set the angle to zero when occupying a new position."
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "mernik",
      "sense": "The rear sight of a firearm",
      "word": "мерник"
    }
  ],
  "word": "backsight"
}

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    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English verbs",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Bulgarian translations"
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        "3": "sight"
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      "name": "compound"
    }
  ],
  "etymology_text": "From back + sight.",
  "forms": [
    {
      "form": "backsights",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "backsighting",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "backsighted",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "backsighted",
      "tags": [
        "past"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "foresight"
    },
    {
      "word": "hindsight"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Surveying"
      ],
      "glosses": [
        "To shoot a backsight."
      ],
      "links": [
        [
          "surveying",
          "surveying#Noun"
        ],
        [
          "shoot",
          "shoot"
        ]
      ],
      "raw_glosses": [
        "(surveying) To shoot a backsight."
      ],
      "topics": [
        "geography",
        "natural-sciences",
        "surveying"
      ]
    }
  ],
  "word": "backsight"
}