"Kanizsa triangle" meaning in English

{
  "etymology_text": "Named after Gaetano Kanizsa.",
  "forms": [
    {
      "form": "Kanizsa triangles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kanizsa triangle (plural Kanizsa triangles)",
      "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": "Optical illusions",
          "orig": "en:Optical illusions",
          "parents": [
            "Vision",
            "Senses",
            "Perception",
            "Body",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 67:",
          "text": "It is called a Kanizsa triangle, after the Italian psychologist Gaetano Kanizsa, who created it in 1955.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An optical illusion in which a number of spatially separated fragments give the illusory impression of the contours of a triangle."
      ],
      "id": "en-Kanizsa_triangle-en-noun-3BrF8b5E",
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ],
        [
          "fragment",
          "fragment"
        ],
        [
          "illusory",
          "illusory"
        ],
        [
          "impression",
          "impression"
        ],
        [
          "contour",
          "contour"
        ],
        [
          "triangle",
          "triangle"
        ]
      ],
      "wikipedia": [
        "Gaetano Kanizsa"
      ]
    }
  ],
  "word": "Kanizsa triangle"
}

{
  "etymology_text": "Named after Gaetano Kanizsa.",
  "forms": [
    {
      "form": "Kanizsa triangles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Kanizsa triangle (plural Kanizsa triangles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Optical illusions"
      ],
      "examples": [
        {
          "ref": "2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 67:",
          "text": "It is called a Kanizsa triangle, after the Italian psychologist Gaetano Kanizsa, who created it in 1955.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An optical illusion in which a number of spatially separated fragments give the illusory impression of the contours of a triangle."
      ],
      "links": [
        [
          "optical illusion",
          "optical illusion"
        ],
        [
          "fragment",
          "fragment"
        ],
        [
          "illusory",
          "illusory"
        ],
        [
          "impression",
          "impression"
        ],
        [
          "contour",
          "contour"
        ],
        [
          "triangle",
          "triangle"
        ]
      ],
      "wikipedia": [
        "Gaetano Kanizsa"
      ]
    }
  ],
  "word": "Kanizsa triangle"
}