"palombo scuro" meaning in Italian

{
  "forms": [
    {
      "form": "palombi scuri",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "palombo scuro m (plural palombi scuri)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "it",
          "name": "Sharks",
          "orig": "it:Sharks",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "dusky smooth-hound (Mustelus canis)"
      ],
      "id": "en-palombo_scuro-it-noun-0ALTDwNH",
      "related": [
        {
          "word": "palombo comune"
        },
        {
          "word": "palombo stellato"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "palombo scuro"
}

{
  "forms": [
    {
      "form": "palombi scuri",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "palombo scuro m (plural palombi scuri)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "related": [
    {
      "word": "palombo comune"
    },
    {
      "word": "palombo stellato"
    }
  ],
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (species)",
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian masculine nouns",
        "Italian multiword terms",
        "Italian nouns",
        "it:Sharks"
      ],
      "glosses": [
        "dusky smooth-hound (Mustelus canis)"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "palombo scuro"
}