"accidental gap" meaning in English

{
  "forms": [
    {
      "form": "accidental gaps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "accidental gap (plural accidental gaps)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A potential word, word sense, morpheme, or other form that does not exist in some language despite the fact that it would be permissible by the grammatical rules of that language."
      ],
      "hypernyms": [
        {
          "word": "gap"
        },
        {
          "word": "lacuna"
        }
      ],
      "id": "en-accidental_gap-en-noun-XVxR6-PF",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word#Noun"
        ],
        [
          "sense",
          "sense#English:_any_particular_meaning_of_a_word"
        ],
        [
          "morpheme",
          "morpheme#Noun"
        ],
        [
          "exist",
          "exist#Verb"
        ],
        [
          "language",
          "language#Noun"
        ],
        [
          "grammatical",
          "grammar#Noun"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A potential word, word sense, morpheme, or other form that does not exist in some language despite the fact that it would be permissible by the grammatical rules of that language."
      ],
      "related": [
        {
          "word": "pseudoword"
        }
      ],
      "synonyms": [
        {
          "word": "lexical gap"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "accidental gap"
      ]
    }
  ],
  "word": "accidental gap"
}

{
  "forms": [
    {
      "form": "accidental gaps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "accidental gap (plural accidental gaps)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "gap"
    },
    {
      "word": "lacuna"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "pseudoword"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Linguistics"
      ],
      "glosses": [
        "A potential word, word sense, morpheme, or other form that does not exist in some language despite the fact that it would be permissible by the grammatical rules of that language."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word",
          "word#Noun"
        ],
        [
          "sense",
          "sense#English:_any_particular_meaning_of_a_word"
        ],
        [
          "morpheme",
          "morpheme#Noun"
        ],
        [
          "exist",
          "exist#Verb"
        ],
        [
          "language",
          "language#Noun"
        ],
        [
          "grammatical",
          "grammar#Noun"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A potential word, word sense, morpheme, or other form that does not exist in some language despite the fact that it would be permissible by the grammatical rules of that language."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "accidental gap"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "lexical gap"
    }
  ],
  "word": "accidental gap"
}