"international call sign" meaning in English

{
  "forms": [
    {
      "form": "international call signs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "international call sign"
      },
      "expansion": "international call sign (plural international call signs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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": [
        "A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)"
      ],
      "id": "en-international_call_sign-en-noun-y5NXBrEE",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "radio station",
          "radio station"
        ],
        [
          "nationality",
          "nationality"
        ],
        [
          "signal letters",
          "signal letters"
        ]
      ],
      "raw_glosses": [
        "(military) A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)"
      ],
      "related": [
        {
          "word": "call sign"
        }
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "international call sign"
}

{
  "forms": [
    {
      "form": "international call signs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "international call sign"
      },
      "expansion": "international call sign (plural international call signs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "call sign"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Military"
      ],
      "glosses": [
        "A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)"
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "radio station",
          "radio station"
        ],
        [
          "nationality",
          "nationality"
        ],
        [
          "signal letters",
          "signal letters"
        ]
      ],
      "raw_glosses": [
        "(military) A call sign assigned in accordance with the provisions of the International Telecommunications Union to identify a radio station. The nationality of the radio station is identified by the first or the first two characters. (When used in visual signaling, international call signs are referred to as “signal letters.”)"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "international call sign"
}