"1500 metri" meaning in Italian

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      "expansion": "1500 metri m (uncountable)",
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  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "it",
          "name": "Athletics",
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            "Human activity",
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      "glosses": [
        "1500 metres"
      ],
      "id": "en-1500_metri-it-noun-EvLRkOOr",
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          "athletics",
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        [
          "1500 metres",
          "1500 metres"
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      "raw_glosses": [
        "(athletics) 1500 metres"
      ],
      "synonyms": [
        {
          "word": "1.500 metri"
        }
      ],
      "tags": [
        "masculine",
        "uncountable"
      ],
      "topics": [
        "athletics",
        "hobbies",
        "lifestyle",
        "sports"
      ],
      "wikipedia": [
        "it:1500 metri"
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    }
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  "word": "1500 metri"
}

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    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
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        "Italian entries with incorrect language header",
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        "Italian masculine nouns",
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        "1500 metres"
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          "1500 metres",
          "1500 metres"
        ]
      ],
      "raw_glosses": [
        "(athletics) 1500 metres"
      ],
      "tags": [
        "masculine",
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  ],
  "synonyms": [
    {
      "word": "1.500 metri"
    }
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  "word": "1500 metri"
}