"Forth" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cours d’eau d’Écosse en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              13,
              18
            ]
          ],
          "text": "The Firth of Forth."
        }
      ],
      "glosses": [
        "Fleuve Forth."
      ],
      "id": "fr-Forth-en-name-ijihTwn0",
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Localités d’Écosse en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en anglais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Forth, dans le South Lanarkshire."
      ],
      "id": "fr-Forth-en-name-SrVLK5jo",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\fɔːθ\\"
    }
  ],
  "word": "Forth"
}

{
  "categories": [
    "Noms propres en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Cours d’eau d’Écosse en anglais",
        "Exemples en anglais",
        "Exemples en anglais à traduire"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              13,
              18
            ]
          ],
          "text": "The Firth of Forth."
        }
      ],
      "glosses": [
        "Fleuve Forth."
      ],
      "topics": [
        "geography"
      ]
    },
    {
      "categories": [
        "Localités d’Écosse en anglais",
        "Wiktionnaire:Exemples manquants en anglais"
      ],
      "glosses": [
        "Forth, dans le South Lanarkshire."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\fɔːθ\\"
    }
  ],
  "word": "Forth"
}