"Arctic char" meaning in English

{
  "forms": [
    {
      "form": "Arctic chars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "Arctic char (plural Arctic chars)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Salmonids",
          "orig": "en:Salmonids",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
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          "source": "w"
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      ],
      "glosses": [
        "A saibling (Salvelinus alpinus)."
      ],
      "id": "en-Arctic_char-en-noun-yTon7FIf",
      "links": [
        [
          "saibling",
          "saibling"
        ],
        [
          "Salvelinus alpinus",
          "Salvelinus alpinus#Translingual"
        ]
      ],
      "wikipedia": [
        "Arctic char"
      ]
    }
  ],
  "word": "Arctic char"
}

{
  "forms": [
    {
      "form": "Arctic chars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "Arctic char (plural Arctic chars)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Salmonids"
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      "glosses": [
        "A saibling (Salvelinus alpinus)."
      ],
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          "saibling",
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        [
          "Salvelinus alpinus",
          "Salvelinus alpinus#Translingual"
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      "wikipedia": [
        "Arctic char"
      ]
    }
  ],
  "word": "Arctic char"
}