"iron eagle" meaning in English

{
  "etymology_text": "The term refers to the rank a colonel wears, which resembles an eagle.",
  "forms": [
    {
      "form": "iron eagles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "iron eagle (plural iron eagles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An American military officer who has attained the rank of colonel but will not be promoted to the rank of general."
      ],
      "id": "en-iron_eagle-en-noun-enUSqonq",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "American",
          "American"
        ],
        [
          "officer",
          "officer"
        ],
        [
          "rank",
          "rank"
        ],
        [
          "colonel",
          "colonel"
        ],
        [
          "promoted",
          "promoted"
        ],
        [
          "general",
          "general"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, US, military) An American military officer who has attained the rank of colonel but will not be promoted to the rank of general."
      ],
      "related": [
        {
          "word": "bird colonel"
        },
        {
          "word": "chicken colonel"
        },
        {
          "word": "full bird colonel"
        }
      ],
      "tags": [
        "US",
        "idiomatic"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-iron eagle.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0c/En-au-iron_eagle.ogg/En-au-iron_eagle.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/0c/En-au-iron_eagle.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "iron eagle"
}

{
  "etymology_text": "The term refers to the rank a colonel wears, which resembles an eagle.",
  "forms": [
    {
      "form": "iron eagles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "iron eagle (plural iron eagles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "bird colonel"
    },
    {
      "word": "chicken colonel"
    },
    {
      "word": "full bird colonel"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "en:Military"
      ],
      "glosses": [
        "An American military officer who has attained the rank of colonel but will not be promoted to the rank of general."
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "American",
          "American"
        ],
        [
          "officer",
          "officer"
        ],
        [
          "rank",
          "rank"
        ],
        [
          "colonel",
          "colonel"
        ],
        [
          "promoted",
          "promoted"
        ],
        [
          "general",
          "general"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, US, military) An American military officer who has attained the rank of colonel but will not be promoted to the rank of general."
      ],
      "tags": [
        "US",
        "idiomatic"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-iron eagle.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0c/En-au-iron_eagle.ogg/En-au-iron_eagle.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/0c/En-au-iron_eagle.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "iron eagle"
}