"sighter" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sight",
        "3": "er"
      },
      "expansion": "sight + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From sight + -er.",
  "forms": [
    {
      "form": "sighters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sighter (plural sighters)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "84 7 9",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w+disamb"
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          "_dis": "78 11 11",
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          "source": "w+disamb"
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          "bold_text_offsets": [
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              88,
              95
            ]
          ],
          "ref": "2020 September 5, David Hytner, “Raheem Sterling keeps his cool to see off Iceland amid blaze of late drama”, in The Guardian:",
          "text": "Kane looked in the mood, testing the goalkeeper, Hannes Thor Halldórsson, with an early sighter and then being denied what appeared to be a good goal on six minutes by an offside flag.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A trial shot in rifle, artillery shooting, or sports like football, to set the range, targeting etc."
      ],
      "id": "en-sighter-en-noun-3v5Iq2-s",
      "links": [
        [
          "trial",
          "trial"
        ]
      ]
    },
    {
      "glosses": [
        "a sight on a weapon"
      ],
      "id": "en-sighter-en-noun-xQ49cnLH",
      "links": [
        [
          "sight",
          "sight"
        ],
        [
          "weapon",
          "weapon"
        ]
      ]
    },
    {
      "glosses": [
        "a targeteer"
      ],
      "id": "en-sighter-en-noun-ufJdsj55",
      "links": [
        [
          "targeteer",
          "targeteer"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪtə(ɹ)"
    }
  ],
  "word": "sighter"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -er",
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    "Rhymes:English/aɪtə(ɹ)",
    "Rhymes:English/aɪtə(ɹ)/2 syllables"
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  "etymology_templates": [
    {
      "args": {
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        "2": "sight",
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      "expansion": "sight + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From sight + -er.",
  "forms": [
    {
      "form": "sighters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sighter (plural sighters)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2020 September 5, David Hytner, “Raheem Sterling keeps his cool to see off Iceland amid blaze of late drama”, in The Guardian:",
          "text": "Kane looked in the mood, testing the goalkeeper, Hannes Thor Halldórsson, with an early sighter and then being denied what appeared to be a good goal on six minutes by an offside flag.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A trial shot in rifle, artillery shooting, or sports like football, to set the range, targeting etc."
      ],
      "links": [
        [
          "trial",
          "trial"
        ]
      ]
    },
    {
      "glosses": [
        "a sight on a weapon"
      ],
      "links": [
        [
          "sight",
          "sight"
        ],
        [
          "weapon",
          "weapon"
        ]
      ]
    },
    {
      "glosses": [
        "a targeteer"
      ],
      "links": [
        [
          "targeteer",
          "targeteer"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪtə(ɹ)"
    }
  ],
  "word": "sighter"
}