"cardo mariano" meaning in Spanish

{
  "forms": [
    {
      "form": "cardos marianos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "cardo mariano m (plural cardos marianos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "es",
          "name": "Thistles",
          "orig": "es:Thistles",
          "parents": [
            "Composites",
            "Asterales order plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "blessed milk thistle (Silybum marianum)"
      ],
      "id": "en-cardo_mariano-es-noun-MtFC5NvD",
      "links": [
        [
          "Silybum marianum",
          "Silybum marianum#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "cardo mariano"
}

{
  "forms": [
    {
      "form": "cardos marianos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "cardo mariano m (plural cardos marianos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines",
        "es:Thistles"
      ],
      "glosses": [
        "blessed milk thistle (Silybum marianum)"
      ],
      "links": [
        [
          "Silybum marianum",
          "Silybum marianum#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "cardo mariano"
}