"XXY" meaning in English

{
  "etymology_text": "From two X chromosomes + Y chromosome.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "XXY",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Intersex",
          "orig": "en:Intersex",
          "parents": [
            "Gender",
            "LGBT",
            "Biology",
            "Psychology",
            "Sociology",
            "Sexuality",
            "Sciences",
            "Social sciences",
            "Human behaviour",
            "Sex",
            "All topics",
            "Society",
            "Human",
            "Reproduction",
            "Fundamental",
            "Life",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Having an aneuploidy in the configuration of chromosomes by having an extra Y chromosome."
      ],
      "id": "en-XXY-en-adj-4-9P7WvY",
      "links": [
        [
          "chromosome",
          "chromosome"
        ]
      ],
      "wikipedia": [
        "Klinefelter syndrome"
      ]
    }
  ],
  "word": "XXY"
}

{
  "etymology_text": "From two X chromosomes + Y chromosome.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "adjective"
      },
      "expansion": "XXY",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "en:Intersex"
      ],
      "glosses": [
        "Having an aneuploidy in the configuration of chromosomes by having an extra Y chromosome."
      ],
      "links": [
        [
          "chromosome",
          "chromosome"
        ]
      ],
      "wikipedia": [
        "Klinefelter syndrome"
      ]
    }
  ],
  "word": "XXY"
}