"si" meaning in Испанский

{
  "categories": [
    {
      "kind": "other",
      "name": "Испанские существительные",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Испанский",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "си (нота)"
      ],
      "id": "ru-si-es-noun-fk2-he~5",
      "raw_glosses": [
        "муз. си (нота)"
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "si"
    }
  ],
  "word": "si"
}

{
  "categories": [
    {
      "kind": "other",
      "name": "Испанские союзы",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "si bien"
    }
  ],
  "etymology_text": "От лат. si.",
  "lang": "Испанский",
  "lang_code": "es",
  "pos": "conj",
  "senses": [
    {
      "examples": [
        {
          "text": "Dame cien pesetas, si puedes.",
          "translation": "Дай мне сто песет,если можешь."
        }
      ],
      "glosses": [
        "если, ко́ли"
      ],
      "id": "ru-si-es-conj-e-PGfQBb"
    }
  ],
  "sounds": [
    {
      "ipa": "si"
    }
  ],
  "word": "si"
}

{
  "categories": [
    "Испанские существительные"
  ],
  "lang": "Испанский",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "си (нота)"
      ],
      "raw_glosses": [
        "муз. си (нота)"
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "si"
    }
  ],
  "word": "si"
}

{
  "categories": [
    "Испанские союзы"
  ],
  "derived": [
    {
      "word": "si bien"
    }
  ],
  "etymology_text": "От лат. si.",
  "lang": "Испанский",
  "lang_code": "es",
  "pos": "conj",
  "senses": [
    {
      "examples": [
        {
          "text": "Dame cien pesetas, si puedes.",
          "translation": "Дай мне сто песет,если можешь."
        }
      ],
      "glosses": [
        "если, ко́ли"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "si"
    }
  ],
  "word": "si"
}

{
  "called_from": "extractor/ru/pronunciation/extract_pronunciation/24",
  "msg": "Unprocessed nodes in pronunciation section: [<LEVEL4(['Омоним']){} '\\n', <LINK(['sí']){} >, '\\n\\n'>]",
  "path": [
    "si"
  ],
  "section": "Испанский",
  "subsection": "произношение",
  "title": "si",
  "trace": ""
}

{
  "called_from": "wixtextract/extractor/ru/page/parse_section/66",
  "msg": "Unprocessed section омоним",
  "path": [
    "si"
  ],
  "section": "Испанский",
  "subsection": "омоним",
  "title": "si",
  "trace": ""
}