"antiparallelogram" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "parallelogram"
      },
      "expansion": "anti- + parallelogram",
      "name": "prefix"
    }
  ],
  "etymology_text": "anti- + parallelogram",
  "forms": [
    {
      "form": "antiparallelograms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antiparallelogram (plural antiparallelograms)",
      "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": "English terms prefixed with anti-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A quadrilateral in which the pairs of nonadjacent sides are congruent, but in which two opposite sides intersect and are therefore not parallel."
      ],
      "id": "en-antiparallelogram-en-noun-QuEnkCkI",
      "links": [
        [
          "quadrilateral",
          "quadrilateral"
        ],
        [
          "nonadjacent",
          "nonadjacent"
        ],
        [
          "side",
          "side"
        ],
        [
          "congruent",
          "congruent"
        ],
        [
          "opposite",
          "opposite"
        ],
        [
          "intersect",
          "intersect"
        ],
        [
          "parallel",
          "parallel"
        ]
      ],
      "synonyms": [
        {
          "word": "contraparallelogram"
        }
      ],
      "wikipedia": [
        "antiparallelogram"
      ]
    }
  ],
  "word": "antiparallelogram"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "parallelogram"
      },
      "expansion": "anti- + parallelogram",
      "name": "prefix"
    }
  ],
  "etymology_text": "anti- + parallelogram",
  "forms": [
    {
      "form": "antiparallelograms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antiparallelogram (plural antiparallelograms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with anti-"
      ],
      "glosses": [
        "A quadrilateral in which the pairs of nonadjacent sides are congruent, but in which two opposite sides intersect and are therefore not parallel."
      ],
      "links": [
        [
          "quadrilateral",
          "quadrilateral"
        ],
        [
          "nonadjacent",
          "nonadjacent"
        ],
        [
          "side",
          "side"
        ],
        [
          "congruent",
          "congruent"
        ],
        [
          "opposite",
          "opposite"
        ],
        [
          "intersect",
          "intersect"
        ],
        [
          "parallel",
          "parallel"
        ]
      ],
      "wikipedia": [
        "antiparallelogram"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "contraparallelogram"
    }
  ],
  "word": "antiparallelogram"
}