"ch" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Symboles 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": "Traductions en néerlandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Symboles d’unités de mesure en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Une voiture de course de Formule 1 développe dans les 700 ch."
        }
      ],
      "glosses": [
        "Autre symbole du cheval-vapeur, lorsqu’il est tronqué à chevaux."
      ],
      "id": "fr-ch-fr-symbol-oKE7Mz1x",
      "topics": [
        "metrology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "cv"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "hp"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "cv"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "pk"
    }
  ],
  "word": "ch"
}

{
  "categories": [
    "Symboles en français",
    "Traductions en anglais",
    "Traductions en italien",
    "Traductions en néerlandais",
    "français"
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "symbol",
  "pos_title": "Symbole",
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Symboles d’unités de mesure en français"
      ],
      "examples": [
        {
          "text": "Une voiture de course de Formule 1 développe dans les 700 ch."
        }
      ],
      "glosses": [
        "Autre symbole du cheval-vapeur, lorsqu’il est tronqué à chevaux."
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "cv"
    }
  ],
  "tags": [
    "masculine"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "hp"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "cv"
    },
    {
      "lang": "Néerlandais",
      "lang_code": "nl",
      "word": "pk"
    }
  ],
  "word": "ch"
}