"ślaperek" meaning in Polish

{
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "ślaperek m inan",
      "name": "pl-noun"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Kielce Polish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pl",
          "name": "Clothing",
          "orig": "pl:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of kaftanik"
      ],
      "id": "en-ślaperek-pl-noun-PZGQSS8i",
      "links": [
        [
          "kaftanik",
          "kaftanik#Polish"
        ]
      ],
      "raw_glosses": [
        "(Kielce) Synonym of kaftanik"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "kaftanik"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɕlaˈpɛ.rɛk/",
      "note": "Kielce"
    }
  ],
  "word": "ślaperek"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "ślaperek m inan",
      "name": "pl-noun"
    }
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Kielce Polish",
        "Pages with 1 entry",
        "Pages with entries",
        "Polish 3-syllable words",
        "Polish entries with incorrect language header",
        "Polish inanimate nouns",
        "Polish lemmas",
        "Polish masculine nouns",
        "Polish nouns",
        "Polish terms with IPA pronunciation",
        "pl:Clothing"
      ],
      "glosses": [
        "Synonym of kaftanik"
      ],
      "links": [
        [
          "kaftanik",
          "kaftanik#Polish"
        ]
      ],
      "raw_glosses": [
        "(Kielce) Synonym of kaftanik"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "kaftanik"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɕlaˈpɛ.rɛk/",
      "note": "Kielce"
    }
  ],
  "word": "ślaperek"
}