"grammatication" meaning in English

{
  "forms": [
    {
      "form": "grammatications",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grammatication (plural grammatications)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English 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"
        }
      ],
      "examples": [
        {
          "text": "c. 1660-1680, George Dalgarno, A Discourse of the Nature and Number of Double Consonants\nSo that this series and chaine of thoughts has for its first link an Hebrew grammatication."
        }
      ],
      "glosses": [
        "A principle of grammar; a grammatical rule."
      ],
      "id": "en-grammatication-en-noun-eHqnXqeT",
      "links": [
        [
          "principle",
          "principle"
        ],
        [
          "grammar",
          "grammar"
        ],
        [
          "grammatical",
          "grammatical"
        ],
        [
          "rule",
          "rule"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A principle of grammar; a grammatical rule."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "grammatication"
}

{
  "forms": [
    {
      "form": "grammatications",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grammatication (plural grammatications)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with obsolete senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "c. 1660-1680, George Dalgarno, A Discourse of the Nature and Number of Double Consonants\nSo that this series and chaine of thoughts has for its first link an Hebrew grammatication."
        }
      ],
      "glosses": [
        "A principle of grammar; a grammatical rule."
      ],
      "links": [
        [
          "principle",
          "principle"
        ],
        [
          "grammar",
          "grammar"
        ],
        [
          "grammatical",
          "grammatical"
        ],
        [
          "rule",
          "rule"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A principle of grammar; a grammatical rule."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "grammatication"
}