"grammatical word" meaning in English

{
  "forms": [
    {
      "form": "grammatical words",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grammatical word (plural grammatical words)",
      "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": "87 13",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "83 17",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "88 12",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Synonym of function word"
      ],
      "id": "en-grammatical_word-en-noun-mV~~Fu-b",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "function word",
          "function word#English"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Synonym of function word"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "function word"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "Coordinate term: phonological word"
        },
        {
          "ref": "2020 November 5, Alexandra Y. Aikhenvald, R. M. W. Dixon, Nathan M. White, Phonological Word and Grammatical Word: A Cross-Linguistic Typology (Explorations in Linguistic Typology), Oxford University Press, →ISBN, →OCLC, page 128:",
          "text": "A root cannot form a phonological or a grammatical word on its own; it commences a word and is followed by bound morphemes (suffixes).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see grammatical, word."
      ],
      "id": "en-grammatical_word-en-noun-a5bvTFHM",
      "links": [
        [
          "grammatical",
          "grammatical#English"
        ],
        [
          "word",
          "word#English"
        ]
      ]
    }
  ],
  "word": "grammatical word"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "grammatical words",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grammatical word (plural grammatical words)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Linguistics"
      ],
      "glosses": [
        "Synonym of function word"
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "function word",
          "function word#English"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Synonym of function word"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "function word"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "text": "Coordinate term: phonological word"
        },
        {
          "ref": "2020 November 5, Alexandra Y. Aikhenvald, R. M. W. Dixon, Nathan M. White, Phonological Word and Grammatical Word: A Cross-Linguistic Typology (Explorations in Linguistic Typology), Oxford University Press, →ISBN, →OCLC, page 128:",
          "text": "A root cannot form a phonological or a grammatical word on its own; it commences a word and is followed by bound morphemes (suffixes).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see grammatical, word."
      ],
      "links": [
        [
          "grammatical",
          "grammatical#English"
        ],
        [
          "word",
          "word#English"
        ]
      ]
    }
  ],
  "word": "grammatical word"
}