"DERA" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Defence Evaluation and Research Agency"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
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          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "source": "w"
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      ],
      "glosses": [
        "Initialism of Defence Evaluation and Research Agency."
      ],
      "id": "en-DERA-en-name-SQTiAr1b",
      "links": [
        [
          "Defence Evaluation and Research Agency",
          "w:Defence Evaluation and Research Agency"
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      ],
      "raw_glosses": [
        "(UK, historical, 1995–2001) Initialism of Defence Evaluation and Research Agency."
      ],
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    }
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  "word": "DERA"
}

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    {
      "args": {},
      "expansion": "DERA",
      "name": "en-proper noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Defence Evaluation and Research Agency"
        }
      ],
      "categories": [
        "British English",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English proper nouns",
        "English terms with historical senses",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Initialism of Defence Evaluation and Research Agency."
      ],
      "links": [
        [
          "Defence Evaluation and Research Agency",
          "w:Defence Evaluation and Research Agency"
        ]
      ],
      "raw_glosses": [
        "(UK, historical, 1995–2001) Initialism of Defence Evaluation and Research Agency."
      ],
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        "historical",
        "initialism"
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    }
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  "word": "DERA"
}