"nižší střední třída" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "nižší střední třída f",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cs",
          "name": "Sociology",
          "orig": "cs:Sociology",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "lower middle class"
      ],
      "id": "en-nižší_střední_třída-cs-noun-sOdLNNRC",
      "links": [
        [
          "lower middle class",
          "lower middle class"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "cs:nižší střední třída"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɲɪʃiː str̝̊ɛdɲiː tr̝̊iːda]"
    }
  ],
  "word": "nižší střední třída"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "nižší střední třída f",
      "name": "cs-noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Czech entries with incorrect language header",
        "Czech feminine nouns",
        "Czech lemmas",
        "Czech multiword terms",
        "Czech nouns",
        "Czech terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "cs:Sociology"
      ],
      "glosses": [
        "lower middle class"
      ],
      "links": [
        [
          "lower middle class",
          "lower middle class"
        ]
      ],
      "tags": [
        "feminine"
      ],
      "wikipedia": [
        "cs:nižší střední třída"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɲɪʃiː str̝̊ɛdɲiː tr̝̊iːda]"
    }
  ],
  "word": "nižší střední třída"
}