"french window" meaning in English

{
  "forms": [
    {
      "form": "french windows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "french window"
      },
      "expansion": "french window (plural french windows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "French window"
        }
      ],
      "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": [
        {
          "ref": "1956, Delano Ames, chapter 12, in Crime out of Mind:",
          "text": "Light filtered in through the blinds of the french windows. It made tremulous stripes along the scrubbed pine floor.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative letter-case form of French window"
      ],
      "id": "en-french_window-en-noun-N89J4Fs2",
      "links": [
        [
          "French window",
          "French window#English"
        ]
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "word": "french window"
}

{
  "forms": [
    {
      "form": "french windows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "french window"
      },
      "expansion": "french window (plural french windows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "French window"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1956, Delano Ames, chapter 12, in Crime out of Mind:",
          "text": "Light filtered in through the blinds of the french windows. It made tremulous stripes along the scrubbed pine floor.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative letter-case form of French window"
      ],
      "links": [
        [
          "French window",
          "French window#English"
        ]
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "word": "french window"
}