"swim the Bosphorus" meaning in English

{
  "etymology_text": "Variant of swim the Tiber, by substitution of Istanbul's river Bosphorus for Rome's river Tiber.",
  "forms": [
    {
      "form": "swims the Bosphorus",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "swimming the Bosphorus",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "swam the Bosphorus",
      "tags": [
        "past"
      ]
    },
    {
      "form": "swum the Bosphorus",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "swim<,,swam,swum> the Bosphorus"
      },
      "expansion": "swim the Bosphorus (third-person singular simple present swims the Bosphorus, present participle swimming the Bosphorus, simple past swam the Bosphorus, past participle swum the Bosphorus)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Eastern Orthodoxy",
          "orig": "en:Eastern Orthodoxy",
          "parents": [
            "Orthodoxy",
            "Christianity",
            "Abrahamism",
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To convert to Eastern Orthodoxy."
      ],
      "id": "en-swim_the_Bosphorus-en-verb-lNM0jU23",
      "links": [
        [
          "Eastern Orthodoxy",
          "Eastern Orthodoxy"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To convert to Eastern Orthodoxy."
      ],
      "related": [
        {
          "english": "convert to Presbyterianism",
          "word": "swim the Forth"
        },
        {
          "english": "convert to Lutheranism",
          "word": "swim the Rhine"
        },
        {
          "english": "convert to Anglicanism",
          "word": "swim the Thames"
        },
        {
          "english": "convert to Roman Catholicism",
          "word": "swim the Tiber"
        }
      ],
      "tags": [
        "intransitive"
      ],
      "wikipedia": [
        "Bosphorus"
      ]
    }
  ],
  "word": "swim the Bosphorus"
}

{
  "etymology_text": "Variant of swim the Tiber, by substitution of Istanbul's river Bosphorus for Rome's river Tiber.",
  "forms": [
    {
      "form": "swims the Bosphorus",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "swimming the Bosphorus",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "swam the Bosphorus",
      "tags": [
        "past"
      ]
    },
    {
      "form": "swum the Bosphorus",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "swim<,,swam,swum> the Bosphorus"
      },
      "expansion": "swim the Bosphorus (third-person singular simple present swims the Bosphorus, present participle swimming the Bosphorus, simple past swam the Bosphorus, past participle swum the Bosphorus)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "english": "convert to Presbyterianism",
      "word": "swim the Forth"
    },
    {
      "english": "convert to Lutheranism",
      "word": "swim the Rhine"
    },
    {
      "english": "convert to Anglicanism",
      "word": "swim the Thames"
    },
    {
      "english": "convert to Roman Catholicism",
      "word": "swim the Tiber"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms derived from toponyms",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Eastern Orthodoxy"
      ],
      "glosses": [
        "To convert to Eastern Orthodoxy."
      ],
      "links": [
        [
          "Eastern Orthodoxy",
          "Eastern Orthodoxy"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To convert to Eastern Orthodoxy."
      ],
      "tags": [
        "intransitive"
      ],
      "wikipedia": [
        "Bosphorus"
      ]
    }
  ],
  "word": "swim the Bosphorus"
}