"war dog" meaning in English

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    {
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      "expansion": "war dog (plural war dogs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "lifeform",
          "langcode": "en",
          "name": "Dogs",
          "orig": "en:Dogs",
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      ],
      "glosses": [
        "A dog that was deployed in a war."
      ],
      "id": "en-war_dog-en-noun-BR9Kx2-C",
      "links": [
        [
          "dog",
          "dog"
        ],
        [
          "deploy",
          "deploy"
        ],
        [
          "war",
          "war"
        ]
      ],
      "related": [
        {
          "_dis1": "73 20 7",
          "word": "dogs of war"
        },
        {
          "_dis1": "73 20 7",
          "word": "sea dog"
        }
      ]
    },
    {
      "glosses": [
        "A veteran soldier, particularly a heroic one, in a war."
      ],
      "id": "en-war_dog-en-noun-U6gg~Tjs",
      "links": [
        [
          "veteran",
          "veteran"
        ],
        [
          "soldier",
          "soldier"
        ],
        [
          "heroic",
          "heroic"
        ],
        [
          "war",
          "war"
        ]
      ]
    },
    {
      "glosses": [
        "A warrior; a battler."
      ],
      "id": "en-war_dog-en-noun-N34s78vJ",
      "links": [
        [
          "warrior",
          "warrior"
        ],
        [
          "battler",
          "battler"
        ]
      ],
      "raw_glosses": [
        "(figuratively) A warrior; a battler."
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "word": "war dog"
}

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      "form": "war dogs",
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "dogs of war"
    },
    {
      "word": "sea dog"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A dog that was deployed in a war."
      ],
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          "dog",
          "dog"
        ],
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          "deploy",
          "deploy"
        ],
        [
          "war",
          "war"
        ]
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    },
    {
      "glosses": [
        "A veteran soldier, particularly a heroic one, in a war."
      ],
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          "veteran",
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          "soldier",
          "soldier"
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          "heroic",
          "heroic"
        ],
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          "war",
          "war"
        ]
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    },
    {
      "glosses": [
        "A warrior; a battler."
      ],
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        [
          "warrior",
          "warrior"
        ],
        [
          "battler",
          "battler"
        ]
      ],
      "raw_glosses": [
        "(figuratively) A warrior; a battler."
      ],
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  "word": "war dog"
}