"point de rebroussement" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Locutioncomposée de point et de rebroussement."
  ],
  "forms": [
    {
      "form": "points de rebroussement",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "point d’inflexion"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la géométrie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Point stationnaire d’une courbe où celle-ci admet deux demi-tangentes distinctes ou de « sens » respectifs opposés."
      ],
      "id": "fr-point_de_rebroussement-fr-noun-yfVCbSx2",
      "topics": [
        "geometry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pwɛ̃ də ʁə.bʁu.smɑ̃\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "cusp"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "tags": [
        "feminine"
      ],
      "word": "cuspide"
    }
  ],
  "word": "point de rebroussement"
}

{
  "categories": [
    "Compositions en français",
    "Locutions nominales en français",
    "Traductions en anglais",
    "Traductions en italien",
    "français"
  ],
  "etymology_texts": [
    "Locutioncomposée de point et de rebroussement."
  ],
  "forms": [
    {
      "form": "points de rebroussement",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "point d’inflexion"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en français de la géométrie",
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Point stationnaire d’une courbe où celle-ci admet deux demi-tangentes distinctes ou de « sens » respectifs opposés."
      ],
      "topics": [
        "geometry"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\pwɛ̃ də ʁə.bʁu.smɑ̃\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "cusp"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "tags": [
        "feminine"
      ],
      "word": "cuspide"
    }
  ],
  "word": "point de rebroussement"
}