"double modal" meaning in English

{
  "forms": [
    {
      "form": "double modals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "double modal (plural double modals)",
      "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": "topical",
          "langcode": "en",
          "name": "Grammar",
          "orig": "en:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019, Irina S. Lebedeva, Svetlana N. Orlova, “Semantics and pragmatics of the double modal ‘might could’”, in Training, Language and Culture, volume 3, number 2, →DOI",
          "text": "The first instances of double modals date back to the seventeenth century.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A sequence of two modal verbs, such as \"might could\", an impossible construction in standard English, but one used in some dialects, especially Southern US English."
      ],
      "id": "en-double_modal-en-noun-pmsiHqFg",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "two",
          "two"
        ],
        [
          "modal",
          "modal"
        ],
        [
          "verb",
          "verb"
        ],
        [
          "might could",
          "might could"
        ]
      ],
      "raw_glosses": [
        "(grammar) A sequence of two modal verbs, such as \"might could\", an impossible construction in standard English, but one used in some dialects, especially Southern US English."
      ],
      "related": [
        {
          "word": "modal stacking"
        }
      ],
      "synonyms": [
        {
          "word": "stacked modal"
        }
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "double modal"
      ]
    }
  ],
  "word": "double modal"
}

{
  "forms": [
    {
      "form": "double modals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "double modal (plural double modals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "modal stacking"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "en:Grammar"
      ],
      "examples": [
        {
          "ref": "2019, Irina S. Lebedeva, Svetlana N. Orlova, “Semantics and pragmatics of the double modal ‘might could’”, in Training, Language and Culture, volume 3, number 2, →DOI",
          "text": "The first instances of double modals date back to the seventeenth century.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A sequence of two modal verbs, such as \"might could\", an impossible construction in standard English, but one used in some dialects, especially Southern US English."
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "two",
          "two"
        ],
        [
          "modal",
          "modal"
        ],
        [
          "verb",
          "verb"
        ],
        [
          "might could",
          "might could"
        ]
      ],
      "raw_glosses": [
        "(grammar) A sequence of two modal verbs, such as \"might could\", an impossible construction in standard English, but one used in some dialects, especially Southern US English."
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "double modal"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "stacked modal"
    }
  ],
  "word": "double modal"
}