"looking glass" meaning in English

{
  "forms": [
    {
      "form": "looking glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "looking glass (plural looking glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "looking-glass"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1845, Walter Bernan [pseudonym; Robert Meikleham], “Essay VIII”, in On the History and Art of Warming and Ventilation Rooms and Buildings […], volume I, London: George Bell, […], →OCLC, footnote †, page 225",
          "text": "Many sorts of glass were in the market, called Lambeth or Ratcliffe, Normandy, German, white and green, Dutch, Newcastle, Staffordshire, and Bristol glass, looking glass and jealous glass. […] Looking glass plates were sometimes used in windows.",
          "type": "quotation"
        },
        {
          "ref": "1856 March 17–18, Ford Madox Brown, “1856 [chapter title]”, in Virginia Surtees, editor, The Diary of Ford Madox Brown (Studies in British Art), New Haven, Conn., London: Published for the Paul Mellon Centre for Studies in British Art by Yale University Press, published 1981, page 167",
          "text": "17th Drew in the dead body in the corrected sketch in Pen & Ink. It is rather dreary. Worked at sundries from Self in the looking glass (8 hours). / 18th worked all day from self in looking glass in shirts & draws. […]",
          "type": "quotation"
        },
        {
          "ref": "2016 July 29, Paul Krugman, “Who loves America?”, in The New York Times",
          "text": "It has been quite a week in politics. […] I know that some Republicans feel as if they've fallen through the looking glass.",
          "type": "quotation"
        },
        {
          "ref": "2020 June 3, Stefanie Foster, “Comment: The recovery starts here”, in Rail, page 3",
          "text": "It feels like I've stepped through the looking glass and am wandering in a topsy-turvy world where the fixpoints we have lived with for decades have gone. Not just moved... gone.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of looking-glass."
      ],
      "id": "en-looking_glass-en-noun-Dvmn~IGv",
      "links": [
        [
          "looking-glass",
          "looking-glass#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
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    }
  ],
  "sounds": [
    {
      "audio": "En-au-looking glass.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9e/En-au-looking_glass.ogg/En-au-looking_glass.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9e/En-au-looking_glass.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AUS)"
    }
  ],
  "word": "looking glass"
}

{
  "forms": [
    {
      "form": "looking glasses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "looking glass (plural looking glasses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "looking-glass"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with audio links",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1845, Walter Bernan [pseudonym; Robert Meikleham], “Essay VIII”, in On the History and Art of Warming and Ventilation Rooms and Buildings […], volume I, London: George Bell, […], →OCLC, footnote †, page 225",
          "text": "Many sorts of glass were in the market, called Lambeth or Ratcliffe, Normandy, German, white and green, Dutch, Newcastle, Staffordshire, and Bristol glass, looking glass and jealous glass. […] Looking glass plates were sometimes used in windows.",
          "type": "quotation"
        },
        {
          "ref": "1856 March 17–18, Ford Madox Brown, “1856 [chapter title]”, in Virginia Surtees, editor, The Diary of Ford Madox Brown (Studies in British Art), New Haven, Conn., London: Published for the Paul Mellon Centre for Studies in British Art by Yale University Press, published 1981, page 167",
          "text": "17th Drew in the dead body in the corrected sketch in Pen & Ink. It is rather dreary. Worked at sundries from Self in the looking glass (8 hours). / 18th worked all day from self in looking glass in shirts & draws. […]",
          "type": "quotation"
        },
        {
          "ref": "2016 July 29, Paul Krugman, “Who loves America?”, in The New York Times",
          "text": "It has been quite a week in politics. […] I know that some Republicans feel as if they've fallen through the looking glass.",
          "type": "quotation"
        },
        {
          "ref": "2020 June 3, Stefanie Foster, “Comment: The recovery starts here”, in Rail, page 3",
          "text": "It feels like I've stepped through the looking glass and am wandering in a topsy-turvy world where the fixpoints we have lived with for decades have gone. Not just moved... gone.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of looking-glass."
      ],
      "links": [
        [
          "looking-glass",
          "looking-glass#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-looking glass.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/9e/En-au-looking_glass.ogg/En-au-looking_glass.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/9/9e/En-au-looking_glass.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AUS)"
    }
  ],
  "word": "looking glass"
}