"triangular matrix" meaning in English

{
  "forms": [
    {
      "form": "triangular matrixes",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "triangular matrices",
      "tags": [
        "plural"
      ]
    }
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      "expansion": "triangular matrix (plural triangular matrixes or triangular matrices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "langcode": "en",
          "name": "Linear algebra",
          "orig": "en:Linear algebra",
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        }
      ],
      "glosses": [
        "A square matrix in which all the items on one side of the main diagonal are zero."
      ],
      "hyponyms": [
        {
          "word": "identity matrix"
        }
      ],
      "id": "en-triangular_matrix-en-noun-yEvYMm4G",
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "square matrix",
          "square matrix"
        ],
        [
          "main diagonal",
          "main diagonal"
        ],
        [
          "zero",
          "zero"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) A square matrix in which all the items on one side of the main diagonal are zero."
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "kolmiomatriisi"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "matrice triangulaire"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "macierz trójkątna"
        }
      ],
      "wikipedia": [
        "triangular matrix"
      ]
    }
  ],
  "word": "triangular matrix"
}

{
  "forms": [
    {
      "form": "triangular matrixes",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "triangular matrices",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Linear algebra"
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      "glosses": [
        "A square matrix in which all the items on one side of the main diagonal are zero."
      ],
      "hyponyms": [
        {
          "word": "identity matrix"
        }
      ],
      "links": [
        [
          "linear algebra",
          "linear algebra"
        ],
        [
          "square matrix",
          "square matrix"
        ],
        [
          "main diagonal",
          "main diagonal"
        ],
        [
          "zero",
          "zero"
        ]
      ],
      "raw_glosses": [
        "(linear algebra) A square matrix in which all the items on one side of the main diagonal are zero."
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "triangular matrix"
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    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "kolmiomatriisi"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "matrice triangulaire"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "macierz trójkątna"
    }
  ],
  "word": "triangular matrix"
}