"джей" meaning in Russian

{
  "forms": [
    {
      "form": "džej",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "джей • (džej) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Letter names",
          "orig": "ru:Letter names",
          "parents": [
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "J, j"
      ],
      "id": "en-джей-ru-noun-Pv0FIKqe",
      "links": [
        [
          "J",
          "J"
        ],
        [
          "j",
          "j"
        ]
      ],
      "raw_glosses": [
        "(English letter) J, j"
      ],
      "tags": [
        "English",
        "indeclinable",
        "letter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[d͡ʐʐɛj]"
    }
  ],
  "word": "джей"
}

{
  "forms": [
    {
      "form": "džej",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "джей • (džej) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Russian 1-syllable words",
        "Russian entries with incorrect language header",
        "Russian inanimate nouns",
        "Russian indeclinable nouns",
        "Russian lemmas",
        "Russian neuter nouns",
        "Russian nouns",
        "Russian terms with IPA pronunciation",
        "Russian terms with redundant head parameter",
        "ru:Letter names"
      ],
      "glosses": [
        "J, j"
      ],
      "links": [
        [
          "J",
          "J"
        ],
        [
          "j",
          "j"
        ]
      ],
      "raw_glosses": [
        "(English letter) J, j"
      ],
      "tags": [
        "English",
        "indeclinable",
        "letter"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[d͡ʐʐɛj]"
    }
  ],
  "word": "джей"
}