"crack shot" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crack",
        "3": "shot"
      },
      "expansion": "crack + shot",
      "name": "compound"
    }
  ],
  "etymology_text": "From crack + shot.",
  "forms": [
    {
      "form": "crack shots",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "crackshot",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "crack-shot",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "crack shot (plural crack shots)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
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          "orig": "en:People",
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            "Human",
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            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An expert marksman with a gun."
      ],
      "id": "en-crack_shot-en-noun-ddsy-de1",
      "links": [
        [
          "expert",
          "expert"
        ],
        [
          "marksman",
          "marksman"
        ],
        [
          "gun",
          "gun"
        ]
      ]
    }
  ],
  "word": "crack shot"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "crack",
        "3": "shot"
      },
      "expansion": "crack + shot",
      "name": "compound"
    }
  ],
  "etymology_text": "From crack + shot.",
  "forms": [
    {
      "form": "crack shots",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "crackshot",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "crack-shot",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "crack shot (plural crack shots)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "glosses": [
        "An expert marksman with a gun."
      ],
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        ],
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          "marksman",
          "marksman"
        ],
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          "gun",
          "gun"
        ]
      ]
    }
  ],
  "word": "crack shot"
}