"пи" meaning in Russian

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "grc",
        "3": "πεῖ"
      },
      "expansion": "Borrowed from Ancient Greek πεῖ (peî)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek πεῖ (peî), πῖ (pî).",
  "forms": [
    {
      "form": "pi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пи",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "пи • (pi) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Greek letter names",
          "orig": "ru:Greek letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "pi (the Greek letter Π (P)/π (p))"
      ],
      "id": "en-пи-ru-noun-jnDOWeLy",
      "links": [
        [
          "pi",
          "pi"
        ],
        [
          "Π",
          "Π#Ancient_Greek"
        ],
        [
          "π",
          "π#Ancient_Greek"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Mathematics",
          "orig": "ru:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "36 46 18",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "pi"
      ],
      "id": "en-пи-ru-noun-hbQuFwKH",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "pi",
          "pi"
        ]
      ],
      "raw_glosses": [
        "(mathematics) pi"
      ],
      "tags": [
        "indeclinable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲi]"
    },
    {
      "audio": "Ru-пи.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/Ru-%D0%BF%D0%B8.ogg/Ru-%D0%BF%D0%B8.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/Ru-%D0%BF%D0%B8.ogg"
    }
  ],
  "word": "пи"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "en",
        "3": "pee"
      },
      "expansion": "Borrowed from English pee",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from English pee.",
  "forms": [
    {
      "form": "pi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пи",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "пи • (pi) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Latin letter names",
          "orig": "ru:Latin letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the English letter P/p; a pee"
      ],
      "id": "en-пи-ru-noun-DxZfmSlB",
      "links": [
        [
          "P",
          "P"
        ],
        [
          "p",
          "p"
        ],
        [
          "pee",
          "pee"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲi]"
    },
    {
      "audio": "Ru-пи.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/Ru-%D0%BF%D0%B8.ogg/Ru-%D0%BF%D0%B8.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/Ru-%D0%BF%D0%B8.ogg"
    }
  ],
  "word": "пи"
}

{
  "categories": [
    "Pages with 12 entries",
    "Pages with entries",
    "Russian 1-syllable words",
    "Russian entries with incorrect language header",
    "Russian inanimate nouns",
    "Russian indeclinable nouns",
    "Russian lemmas",
    "Russian neuter nouns",
    "Russian nouns",
    "Russian terms borrowed from Ancient Greek",
    "Russian terms borrowed from English",
    "Russian terms derived from Ancient Greek",
    "Russian terms derived from English",
    "Russian terms with IPA pronunciation",
    "Russian terms with redundant head parameter"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
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        "2": "grc",
        "3": "πεῖ"
      },
      "expansion": "Borrowed from Ancient Greek πεῖ (peî)",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek πεῖ (peî), πῖ (pî).",
  "forms": [
    {
      "form": "pi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пи",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "пи • (pi) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "ru:Greek letter names"
      ],
      "glosses": [
        "pi (the Greek letter Π (P)/π (p))"
      ],
      "links": [
        [
          "pi",
          "pi"
        ],
        [
          "Π",
          "Π#Ancient_Greek"
        ],
        [
          "π",
          "π#Ancient_Greek"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    },
    {
      "categories": [
        "ru:Mathematics"
      ],
      "glosses": [
        "pi"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "pi",
          "pi"
        ]
      ],
      "raw_glosses": [
        "(mathematics) pi"
      ],
      "tags": [
        "indeclinable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲi]"
    },
    {
      "audio": "Ru-пи.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/Ru-%D0%BF%D0%B8.ogg/Ru-%D0%BF%D0%B8.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/Ru-%D0%BF%D0%B8.ogg"
    }
  ],
  "word": "пи"
}

{
  "categories": [
    "Pages with 12 entries",
    "Pages with entries",
    "Russian 1-syllable words",
    "Russian entries with incorrect language header",
    "Russian inanimate nouns",
    "Russian indeclinable nouns",
    "Russian lemmas",
    "Russian neuter nouns",
    "Russian nouns",
    "Russian terms borrowed from English",
    "Russian terms derived from English",
    "Russian terms with IPA pronunciation",
    "Russian terms with redundant head parameter"
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "en",
        "3": "pee"
      },
      "expansion": "Borrowed from English pee",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from English pee.",
  "forms": [
    {
      "form": "pi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "пи",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "пи • (pi) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "ru:Latin letter names"
      ],
      "glosses": [
        "the English letter P/p; a pee"
      ],
      "links": [
        [
          "P",
          "P"
        ],
        [
          "p",
          "p"
        ],
        [
          "pee",
          "pee"
        ]
      ],
      "tags": [
        "indeclinable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲi]"
    },
    {
      "audio": "Ru-пи.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/Ru-%D0%BF%D0%B8.ogg/Ru-%D0%BF%D0%B8.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c2/Ru-%D0%BF%D0%B8.ogg"
    }
  ],
  "word": "пи"
}