"pistone" meaning in Italian

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "guarnizione del pistone"
    },
    {
      "_dis1": "0 0",
      "word": "motore a pistoni"
    },
    {
      "_dis1": "0 0",
      "word": "pistone di pompa"
    },
    {
      "_dis1": "0 0",
      "word": "tromba a pistoni"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "piston",
            "bor": "1"
          },
          "expansion": "→ French: piston\n→ Catalan: pistó\n→ English: piston\n→ Greek: πιστόνι (pistóni)\n→ Romanian: piston",
          "name": "desctree"
        }
      ],
      "text": "→ French: piston\n→ Catalan: pistó\n→ English: piston\n→ Greek: πιστόνι (pistóni)\n→ Romanian: piston"
    }
  ],
  "forms": [
    {
      "form": "pistoni",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "pistone m (plural pistoni)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "pi‧stó‧ne"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "75 25",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "piston"
      ],
      "id": "en-pistone-it-noun-fvS8NKSX",
      "links": [
        [
          "piston",
          "piston"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "categories": [
        {
          "_dis": "49 51",
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "valve - of a musical instrument"
      ],
      "id": "en-pistone-it-noun-DfSEyvaD",
      "links": [
        [
          "valve",
          "valve"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/piˈsto.ne/"
    },
    {
      "rhymes": "-one"
    }
  ],
  "word": "pistone"
}

{
  "categories": [
    "Italian 3-syllable words",
    "Italian countable nouns",
    "Italian entries with incorrect language header",
    "Italian lemmas",
    "Italian masculine nouns",
    "Italian nouns",
    "Italian terms with IPA pronunciation",
    "Pages with 1 entry",
    "Pages with entries",
    "Rhymes:Italian/one",
    "Rhymes:Italian/one/3 syllables"
  ],
  "derived": [
    {
      "word": "guarnizione del pistone"
    },
    {
      "word": "motore a pistoni"
    },
    {
      "word": "pistone di pompa"
    },
    {
      "word": "tromba a pistoni"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fr",
            "2": "piston",
            "bor": "1"
          },
          "expansion": "→ French: piston\n→ Catalan: pistó\n→ English: piston\n→ Greek: πιστόνι (pistóni)\n→ Romanian: piston",
          "name": "desctree"
        }
      ],
      "text": "→ French: piston\n→ Catalan: pistó\n→ English: piston\n→ Greek: πιστόνι (pistóni)\n→ Romanian: piston"
    }
  ],
  "forms": [
    {
      "form": "pistoni",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "pistone m (plural pistoni)",
      "name": "it-noun"
    }
  ],
  "hyphenation": [
    "pi‧stó‧ne"
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "piston"
      ],
      "links": [
        [
          "piston",
          "piston"
        ]
      ],
      "tags": [
        "masculine"
      ]
    },
    {
      "glosses": [
        "valve - of a musical instrument"
      ],
      "links": [
        [
          "valve",
          "valve"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/piˈsto.ne/"
    },
    {
      "rhymes": "-one"
    }
  ],
  "word": "pistone"
}