"silur" meaning in Catalan

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "Silurus",
        "3": "genus name"
      },
      "expansion": "genus name",
      "name": "l"
    }
  ],
  "etymology_text": "From the genus name.",
  "forms": [
    {
      "form": "silurs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "silur m (plural silurs)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "Catfish",
          "orig": "ca:Catfish",
          "parents": [
            "Fish",
            "Otocephalan fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "wels catfish"
      ],
      "id": "en-silur-ca-noun-spZtkogk",
      "links": [
        [
          "wels catfish",
          "wels catfish"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈlur]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "silur"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mul",
        "2": "Silurus",
        "3": "genus name"
      },
      "expansion": "genus name",
      "name": "l"
    }
  ],
  "etymology_text": "From the genus name.",
  "forms": [
    {
      "form": "silurs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "silur m (plural silurs)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "Catalan terms with IPA pronunciation",
        "ca:Catfish"
      ],
      "glosses": [
        "wels catfish"
      ],
      "links": [
        [
          "wels catfish",
          "wels catfish"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈlur]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "silur"
}