"birer" meaning in Maltese

{
  "lang": "Maltese",
  "lang_code": "mt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Maltese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "birra"
        }
      ],
      "glosses": [
        "plural of birra"
      ],
      "id": "en-birer-mt-noun-pVj7ET6s",
      "links": [
        [
          "birra",
          "birra#Maltese"
        ]
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbɪ.rɛr/"
    }
  ],
  "word": "birer"
}

{
  "lang": "Maltese",
  "lang_code": "mt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Maltese 2-syllable words",
        "Maltese entries with incorrect language header",
        "Maltese non-lemma forms",
        "Maltese noun plural forms",
        "Maltese terms with IPA pronunciation",
        "Pages with raw sortkeys"
      ],
      "form_of": [
        {
          "word": "birra"
        }
      ],
      "glosses": [
        "plural of birra"
      ],
      "links": [
        [
          "birra",
          "birra#Maltese"
        ]
      ],
      "tags": [
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈbɪ.rɛr/"
    }
  ],
  "word": "birer"
}