"Appennini" meaning in Italian

{
  "forms": [
    {
      "form": "gli Appennini",
      "tags": [
        "canonical",
        "masculine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-p",
        "head": "gli Appennini"
      },
      "expansion": "gli Appennini m pl (plural only)",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "it",
          "name": "Mountains",
          "orig": "it:Mountains",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the Apennines"
      ],
      "id": "en-Appennini-it-name-4YgF04QK",
      "links": [
        [
          "Apennines",
          "Apennines"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ],
      "wikipedia": [
        "it:Appennini"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ap.penˈni.ni/"
    }
  ],
  "word": "Appennini"
}

{
  "forms": [
    {
      "form": "gli Appennini",
      "tags": [
        "canonical",
        "masculine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-p",
        "head": "gli Appennini"
      },
      "expansion": "gli Appennini m pl (plural only)",
      "name": "it-proper noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Italian 4-syllable words",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian pluralia tantum",
        "Italian proper nouns",
        "Italian terms with IPA pronunciation",
        "it:Mountains"
      ],
      "glosses": [
        "the Apennines"
      ],
      "links": [
        [
          "Apennines",
          "Apennines"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ],
      "wikipedia": [
        "it:Appennini"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ap.penˈni.ni/"
    }
  ],
  "word": "Appennini"
}