"morró negre" meaning in Catalan

{
  "forms": [
    {
      "form": "morrons negres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "morró negre m (plural morrons negres)",
      "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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "ca",
          "name": "Plantain family plants",
          "orig": "ca:Plantain family plants",
          "parents": [
            "Flowers",
            "Lamiales order plants",
            "Plants",
            "Shrubs",
            "Trees",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "ivy-leaved speedwell (Veronica hederifolia)"
      ],
      "id": "en-morró_negre-ca-noun-IXg5oSwJ",
      "synonyms": [
        {
          "word": "grinxot"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "morró negre"
}

{
  "forms": [
    {
      "form": "morrons negres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "morró negre m (plural morrons negres)",
      "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 multiword terms",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "Pages with 1 entry",
        "Pages with entries",
        "ca:Plantain family plants"
      ],
      "glosses": [
        "ivy-leaved speedwell (Veronica hederifolia)"
      ],
      "synonyms": [
        {
          "word": "grinxot"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "morró negre"
}