"Rechteck" meaning in Luxembourgish

{
  "forms": [
    {
      "form": "Rechtecker",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "Rechtecker"
      },
      "expansion": "Rechteck m (plural Rechtecker)",
      "name": "lb-noun"
    }
  ],
  "lang": "Luxembourgish",
  "lang_code": "lb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Luxembourgish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Luxembourgish entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "lb",
          "name": "Shapes",
          "orig": "lb:Shapes",
          "parents": [
            "Geometry",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "rectangle"
      ],
      "id": "en-Rechteck-lb-noun-Mt~tlH6L",
      "links": [
        [
          "rectangle",
          "rectangle"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʀæɕtæk/"
    }
  ],
  "word": "Rechteck"
}

{
  "forms": [
    {
      "form": "Rechtecker",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "Rechtecker"
      },
      "expansion": "Rechteck m (plural Rechtecker)",
      "name": "lb-noun"
    }
  ],
  "lang": "Luxembourgish",
  "lang_code": "lb",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Luxembourgish 2-syllable words",
        "Luxembourgish entries with incorrect language header",
        "Luxembourgish entries with topic categories using raw markup",
        "Luxembourgish lemmas",
        "Luxembourgish masculine nouns",
        "Luxembourgish nouns",
        "Luxembourgish terms with IPA pronunciation",
        "lb:Shapes"
      ],
      "glosses": [
        "rectangle"
      ],
      "links": [
        [
          "rectangle",
          "rectangle"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʀæɕtæk/"
    }
  ],
  "word": "Rechteck"
}