"word class" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "word",
        "3": "class"
      },
      "expansion": "word + class",
      "name": "com"
    }
  ],
  "etymology_text": "word + class",
  "forms": [
    {
      "form": "word classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "word class (plural word classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes, page 297",
          "text": "These lists differentiated terms according to word class (that is, a word with both a noun and adjective definition counted as two separate items in the list).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A linguistic form class whose members are words."
      ],
      "id": "en-word_class-en-noun-M82QLKps",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A linguistic form class whose members are words."
      ],
      "synonyms": [
        {
          "word": "lexical category"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A linguistic form or structure class whose members are words."
      ],
      "id": "en-word_class-en-noun-soalpg8l",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A linguistic form or structure class whose members are words."
      ],
      "synonyms": [
        {
          "word": "part of speech"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "word class"
}

{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "word",
        "3": "class"
      },
      "expansion": "word + class",
      "name": "com"
    }
  ],
  "etymology_text": "word + class",
  "forms": [
    {
      "form": "word classes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "word class (plural word classes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "en:Linguistics"
      ],
      "examples": [
        {
          "ref": "2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes, page 297",
          "text": "These lists differentiated terms according to word class (that is, a word with both a noun and adjective definition counted as two separate items in the list).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A linguistic form class whose members are words."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A linguistic form class whose members are words."
      ],
      "synonyms": [
        {
          "word": "lexical category"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Linguistics"
      ],
      "glosses": [
        "A linguistic form or structure class whose members are words."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A linguistic form or structure class whose members are words."
      ],
      "synonyms": [
        {
          "word": "part of speech"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "word class"
}