"AC45" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "en",
        "3": "AC45"
      },
      "expansion": "Unadapted borrowing from English AC45",
      "name": "ubor"
    }
  ],
  "etymology_text": "Unadapted borrowing from English AC45.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "noun"
      },
      "expansion": "AC45",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "it",
          "name": "Sports",
          "orig": "it:Sports",
          "parents": [
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "AC45 (America's Cup class)"
      ],
      "id": "en-AC45-it-noun-VFyBcJIJ",
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "AC45",
          "AC45#English"
        ]
      ],
      "raw_glosses": [
        "(sports) AC45 (America's Cup class)"
      ],
      "related": [
        {
          "word": "AC72"
        },
        {
          "word": "AC90"
        }
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "AC45"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "en",
        "3": "AC45"
      },
      "expansion": "Unadapted borrowing from English AC45",
      "name": "ubor"
    }
  ],
  "etymology_text": "Unadapted borrowing from English AC45.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "noun"
      },
      "expansion": "AC45",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "related": [
    {
      "word": "AC72"
    },
    {
      "word": "AC90"
    }
  ],
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian nouns",
        "Italian terms borrowed from English",
        "Italian terms derived from English",
        "Italian terms spelled with numbers",
        "Italian unadapted borrowings from English",
        "Pages with 4 entries",
        "it:Sports"
      ],
      "glosses": [
        "AC45 (America's Cup class)"
      ],
      "links": [
        [
          "sports",
          "sports"
        ],
        [
          "AC45",
          "AC45#English"
        ]
      ],
      "raw_glosses": [
        "(sports) AC45 (America's Cup class)"
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "AC45"
}