"JRRT" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {},
      "expansion": "JRRT",
      "name": "en-proper-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "John Ronald Reuel Tolkien"
        }
      ],
      "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": "Individuals",
          "orig": "en:Individuals",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "J. R. R. Tolkien",
          "orig": "en:J. R. R. Tolkien",
          "parents": [
            "Authors",
            "British fiction",
            "Fantasy",
            "Individuals",
            "Literature",
            "People",
            "Fiction",
            "Speculative fiction",
            "Culture",
            "Entertainment",
            "Writing",
            "Human",
            "Artistic works",
            "Genres",
            "Society",
            "Human behaviour",
            "Language",
            "All topics",
            "Art",
            "Communication",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of John Ronald Reuel Tolkien."
      ],
      "id": "en-JRRT-en-name-viQPqMdb",
      "links": [
        [
          "John Ronald Reuel Tolkien",
          "w:J. R. R. Tolkien"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "JRRT"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "JRRT",
      "name": "en-proper-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "word": "John Ronald Reuel Tolkien"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English proper nouns",
        "English uncountable nouns",
        "English words without vowels",
        "en:Individuals",
        "en:J. R. R. Tolkien"
      ],
      "glosses": [
        "Initialism of John Ronald Reuel Tolkien."
      ],
      "links": [
        [
          "John Ronald Reuel Tolkien",
          "w:J. R. R. Tolkien"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "JRRT"
}