"quadrilateral" meaning in English

{
  "forms": [
    {
      "form": "quadrilateral"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Γεωμετρία (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "τετράπλευρος"
      ],
      "id": "el-quadrilateral-en-adj-2Lfwcueq",
      "raw_tags": [
        "γεωμετρία"
      ]
    }
  ],
  "word": "quadrilateral"
}

{
  "forms": [
    {
      "form": "quadrilateral"
    },
    {
      "form": "en-noun-s",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "quadrilateral",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "quadrilaterals",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Γεωμετρία (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Suppose that we have any quadrilateral.",
          "translation": "Έστω ότι έχουμε ένα όποιο τετράπλευρο."
        }
      ],
      "glosses": [
        "το τετράπλευρο"
      ],
      "id": "el-quadrilateral-en-noun-8apcO9yz",
      "raw_tags": [
        "γεωμετρία"
      ]
    }
  ],
  "word": "quadrilateral"
}

{
  "forms": [
    {
      "form": "quadrilateral"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Γεωμετρία (αγγλικά)"
      ],
      "glosses": [
        "τετράπλευρος"
      ],
      "raw_tags": [
        "γεωμετρία"
      ]
    }
  ],
  "word": "quadrilateral"
}

{
  "forms": [
    {
      "form": "quadrilateral"
    },
    {
      "form": "en-noun-s",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "quadrilateral",
      "raw_tags": [
        "ενικός"
      ]
    },
    {
      "form": "quadrilaterals",
      "raw_tags": [
        "πληθυντικός"
      ]
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Γεωμετρία (αγγλικά)"
      ],
      "examples": [
        {
          "text": "Suppose that we have any quadrilateral.",
          "translation": "Έστω ότι έχουμε ένα όποιο τετράπλευρο."
        }
      ],
      "glosses": [
        "το τετράπλευρο"
      ],
      "raw_tags": [
        "γεωμετρία"
      ]
    }
  ],
  "word": "quadrilateral"
}