"silur" meaning in Catalan

{
  "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": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "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",
        "Valencia"
      ]
    }
  ],
  "word": "silur"
}

{
  "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",
        "Pages with 2 entries",
        "Pages with entries",
        "ca:Catfish"
      ],
      "glosses": [
        "wels catfish"
      ],
      "links": [
        [
          "wels catfish",
          "wels catfish"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈlur]",
      "tags": [
        "Balearic",
        "Central",
        "Valencia"
      ]
    }
  ],
  "word": "silur"
}