"-illa" meaning in Catalan

{
  "forms": [
    {
      "form": "-illes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-illa f (noun-forming suffix, plural -illes)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "77 23",
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "diminutive suffix for feminine nouns"
      ],
      "id": "en--illa-ca-suffix-TNKZN9v-",
      "tags": [
        "feminine",
        "morpheme"
      ]
    },
    {
      "glosses": [
        "forms feminine nouns meaning \"type of\""
      ],
      "id": "en--illa-ca-suffix-pqto2fLr",
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-illa"
}

{
  "categories": [
    "Catalan countable suffixes",
    "Catalan diminutive suffixes",
    "Catalan entries with incorrect language header",
    "Catalan feminine suffixes",
    "Catalan lemmas",
    "Catalan noun-forming suffixes",
    "Catalan suffixes",
    "Catalan suffixes with red links in their headword lines"
  ],
  "forms": [
    {
      "form": "-illes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "-illa f (noun-forming suffix, plural -illes)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "suffix",
  "senses": [
    {
      "glosses": [
        "diminutive suffix for feminine nouns"
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    },
    {
      "glosses": [
        "forms feminine nouns meaning \"type of\""
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-illa"
}