"натощак" meaning in Russian

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "на",
        "3": "то́щий",
        "4": "-ак"
      },
      "expansion": "на (na) + то́щий (tóščij) + -ак (-ak)",
      "name": "af"
    },
    {
      "args": {
        "1": "pl",
        "2": "na czczo",
        "t": "on an empty stomach"
      },
      "expansion": "Polish na czczo (“on an empty stomach”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From на (na) + то́щий (tóščij) + -ак (-ak). Compare Polish na czczo (“on an empty stomach”).",
  "forms": [
    {
      "form": "натоща́к",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "natoščák",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "натоща́к"
      },
      "expansion": "натоща́к • (natoščák)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms suffixed with -ак",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "on an empty stomach"
      ],
      "id": "en-натощак-ru-adv-tCGqTngV",
      "links": [
        [
          "on an empty stomach",
          "on an empty stomach"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nətɐˈɕːak]"
    },
    {
      "audio": "Ru-натощак.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/ad/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg"
    }
  ],
  "word": "натощак"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ru",
        "2": "на",
        "3": "то́щий",
        "4": "-ак"
      },
      "expansion": "на (na) + то́щий (tóščij) + -ак (-ak)",
      "name": "af"
    },
    {
      "args": {
        "1": "pl",
        "2": "na czczo",
        "t": "on an empty stomach"
      },
      "expansion": "Polish na czczo (“on an empty stomach”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From на (na) + то́щий (tóščij) + -ак (-ak). Compare Polish na czczo (“on an empty stomach”).",
  "forms": [
    {
      "form": "натоща́к",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "natoščák",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "натоща́к"
      },
      "expansion": "натоща́к • (natoščák)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 3-syllable words",
        "Russian adverbs",
        "Russian compound terms",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms suffixed with -ак",
        "Russian terms with IPA pronunciation"
      ],
      "glosses": [
        "on an empty stomach"
      ],
      "links": [
        [
          "on an empty stomach",
          "on an empty stomach"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[nətɐˈɕːak]"
    },
    {
      "audio": "Ru-натощак.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/ad/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/a/ad/Ru-%D0%BD%D0%B0%D1%82%D0%BE%D1%89%D0%B0%D0%BA.ogg"
    }
  ],
  "word": "натощак"
}