"chapeau de roue" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dates manquantes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Rimes en français en \\ʁu\\",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "sur les chapeaux de roue"
    },
    {
      "word": "sur les chapeaux de roues"
    }
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de chapeau, de et roue."
  ],
  "forms": [
    {
      "form": "chapeaux de roues",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes vieillis en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Sorte de couvercle ou de cache qui est fixé en bout du moyeu d’une roue."
      ],
      "id": "fr-chapeau_de_roue-fr-noun-8wOuXoki",
      "tags": [
        "dated"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Démarrer sur les chapeaux de roues."
        }
      ],
      "glosses": [
        "Enjoliveur."
      ],
      "id": "fr-chapeau_de_roue-fr-noun-nBkhw2eE",
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʃa.po də ʁu\\"
    },
    {
      "ipa": "\\ʃa.po də ʁu\\",
      "rhymes": "\\ʁu\\"
    }
  ],
  "synonyms": [
    {
      "word": "cap de roue"
    },
    {
      "word": "enjoliveur"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "sense": "enjoliveur",
      "tags": [
        "feminine"
      ],
      "word": "Radkappe"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "sense": "enjoliveur",
      "word": "hub cap"
    }
  ],
  "word": "chapeau de roue"
}

{
  "categories": [
    "Compositions en français",
    "Dates manquantes en français",
    "Locutions nominales en français",
    "Rimes en français en \\ʁu\\",
    "Traductions en allemand",
    "Traductions en anglais",
    "français"
  ],
  "derived": [
    {
      "word": "sur les chapeaux de roue"
    },
    {
      "word": "sur les chapeaux de roues"
    }
  ],
  "etymology_texts": [
    "(Date à préciser)Composé de chapeau, de et roue."
  ],
  "forms": [
    {
      "form": "chapeaux de roues",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "senses": [
    {
      "categories": [
        "Termes vieillis en français",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Sorte de couvercle ou de cache qui est fixé en bout du moyeu d’une roue."
      ],
      "tags": [
        "dated"
      ]
    },
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "text": "Démarrer sur les chapeaux de roues."
        }
      ],
      "glosses": [
        "Enjoliveur."
      ],
      "tags": [
        "broadly"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʃa.po də ʁu\\"
    },
    {
      "ipa": "\\ʃa.po də ʁu\\",
      "rhymes": "\\ʁu\\"
    }
  ],
  "synonyms": [
    {
      "word": "cap de roue"
    },
    {
      "word": "enjoliveur"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "sense": "enjoliveur",
      "tags": [
        "feminine"
      ],
      "word": "Radkappe"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "sense": "enjoliveur",
      "word": "hub cap"
    }
  ],
  "word": "chapeau de roue"
}