"-uco" meaning in Spanish

{
  "forms": [
    {
      "form": "-ucos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-uco m (noun-forming suffix, plural -ucos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cantabrian Spanish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Peninsular Spanish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "added to masculine nouns to denote a diminutive form"
      ],
      "id": "en--uco-es-suffix-0wSjs0Q4",
      "links": [
        [
          "diminutive",
          "diminutive#English"
        ]
      ],
      "qualifier": "especially Cantabria",
      "raw_glosses": [
        "(Spain, especially Cantabria) added to masculine nouns to denote a diminutive form"
      ],
      "synonyms": [
        {
          "word": "-uca"
        }
      ],
      "tags": [
        "Spain",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "word": "-uco"
}

{
  "forms": [
    {
      "form": "-ucos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "-uco m (noun-forming suffix, plural -ucos)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Cantabrian Spanish",
        "Peninsular Spanish",
        "Spanish countable suffixes",
        "Spanish diminutive suffixes",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish masculine suffixes",
        "Spanish noun-forming suffixes",
        "Spanish pejorative suffixes",
        "Spanish suffixes"
      ],
      "glosses": [
        "added to masculine nouns to denote a diminutive form"
      ],
      "links": [
        [
          "diminutive",
          "diminutive#English"
        ]
      ],
      "qualifier": "especially Cantabria",
      "raw_glosses": [
        "(Spain, especially Cantabria) added to masculine nouns to denote a diminutive form"
      ],
      "tags": [
        "Spain",
        "masculine",
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-uca"
    }
  ],
  "word": "-uco"
}