"что за" meaning in Russian

{
  "categories": [
    {
      "_dis": "0 0",
      "kind": "other",
      "name": "Pages with 1 entry",
      "parents": [],
      "source": "w+disamb"
    },
    {
      "_dis": "0 0",
      "kind": "other",
      "name": "Pages with entries",
      "parents": [],
      "source": "w+disamb"
    },
    {
      "_dis": "0 0",
      "kind": "other",
      "name": "Russian entries with incorrect language header",
      "parents": [
        "Entries with incorrect language header",
        "Entry maintenance"
      ],
      "source": "w+disamb"
    }
  ],
  "forms": [
    {
      "form": "что́ за",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "štó za",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "что́ за"
      },
      "expansion": "что́ за • (štó za)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "_dis1": "0 0",
      "roman": "štó za čort",
      "word": "что́ за чёрт"
    }
  ],
  "senses": [
    {
      "glosses": [
        "what, what kind of, what sort of"
      ],
      "id": "en-что_за-ru-adv-i99UgF1E",
      "links": [
        [
          "what",
          "what"
        ]
      ]
    },
    {
      "glosses": [
        "what a/an"
      ],
      "id": "en-что_за-ru-adv-AVbsl04~",
      "links": [
        [
          "what",
          "what"
        ]
      ],
      "raw_glosses": [
        "what a/an [insert noun]"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈʂto zə]"
    }
  ],
  "word": "что за"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Russian adverbs",
    "Russian entries with incorrect language header",
    "Russian lemmas",
    "Russian multiword terms",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "что́ за",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "štó za",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "что́ за"
      },
      "expansion": "что́ за • (štó za)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "related": [
    {
      "roman": "štó za čort",
      "word": "что́ за чёрт"
    }
  ],
  "senses": [
    {
      "glosses": [
        "what, what kind of, what sort of"
      ],
      "links": [
        [
          "what",
          "what"
        ]
      ]
    },
    {
      "glosses": [
        "what a/an"
      ],
      "links": [
        [
          "what",
          "what"
        ]
      ],
      "raw_glosses": [
        "what a/an [insert noun]"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈʂto zə]"
    }
  ],
  "word": "что за"
}