"Peterburi" meaning in Estonian

{
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "proper noun"
      },
      "expansion": "Peterburi",
      "name": "head"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Estonian 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": "place",
          "langcode": "et",
          "name": "Federal cities of Russia",
          "orig": "et:Federal cities of Russia",
          "parents": [
            "Federal cities",
            "Places",
            "Political subdivisions",
            "Names",
            "Polities",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "et",
          "name": "Places in Russia",
          "orig": "et:Places in Russia",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "et",
          "name": "Saint Petersburg",
          "orig": "et:Saint Petersburg",
          "parents": [
            "Russia",
            "Asia",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Saint Petersburg (a federal city of Russia)"
      ],
      "id": "en-Peterburi-et-name-gC4Sre9c",
      "links": [
        [
          "Saint Petersburg",
          "Saint Petersburg#English"
        ],
        [
          "Russia",
          "Russia#English"
        ]
      ]
    }
  ],
  "word": "Peterburi"
}

{
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "proper noun"
      },
      "expansion": "Peterburi",
      "name": "head"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Estonian entries with incorrect language header",
        "Estonian lemmas",
        "Estonian proper nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "et:Federal cities of Russia",
        "et:Places in Russia",
        "et:Saint Petersburg"
      ],
      "glosses": [
        "Saint Petersburg (a federal city of Russia)"
      ],
      "links": [
        [
          "Saint Petersburg",
          "Saint Petersburg#English"
        ],
        [
          "Russia",
          "Russia#English"
        ]
      ]
    }
  ],
  "word": "Peterburi"
}