"muffler" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais des États-Unis",
      "orig": "anglais des États-Unis",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "mufflers",
      "ipas": [
        "\\mʌf.lɚz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "États-Unis"
  ],
  "related": [
    {
      "word": "muffle"
    },
    {
      "word": "exhaust (system)"
    },
    {
      "sense": "sortie de pot d’échappement",
      "word": "exhaust pipe"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de l’automobile",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais du motocyclisme",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Pot d’échappement, silencieux."
      ],
      "id": "fr-muffler-en-noun-wg8YdAta",
      "topics": [
        "automobile",
        "motorcycling"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-muffler.ogg",
      "ipa": "mʌf.lɚ",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d1/En-us-muffler.ogg/En-us-muffler.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-us-muffler.ogg",
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "synonyms": [
    {
      "topics": [
        "automobile",
        "motorcycling"
      ],
      "word": "silencer"
    }
  ],
  "word": "muffler"
}

{
  "categories": [
    "anglais",
    "anglais des États-Unis"
  ],
  "forms": [
    {
      "form": "mufflers",
      "ipas": [
        "\\mʌf.lɚz\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "États-Unis"
  ],
  "related": [
    {
      "word": "muffle"
    },
    {
      "word": "exhaust (system)"
    },
    {
      "sense": "sortie de pot d’échappement",
      "word": "exhaust pipe"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en anglais de l’automobile",
        "Lexique en anglais du motocyclisme"
      ],
      "glosses": [
        "Pot d’échappement, silencieux."
      ],
      "topics": [
        "automobile",
        "motorcycling"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-us-muffler.ogg",
      "ipa": "mʌf.lɚ",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d1/En-us-muffler.ogg/En-us-muffler.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-us-muffler.ogg",
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "synonyms": [
    {
      "topics": [
        "automobile",
        "motorcycling"
      ],
      "word": "silencer"
    }
  ],
  "word": "muffler"
}