"bierre" meaning in Italian

{
  "etymology_text": "From the initials BR.",
  "forms": [
    {
      "form": "bierri",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "bierre m or f by sense (plural bierri)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Italian masculine and feminine nouns by sense",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a member of the Brigate Rosse"
      ],
      "id": "en-bierre-it-noun-vfM1dKjb",
      "links": [
        [
          "Brigate Rosse",
          "w:it:Brigate Rosse"
        ]
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "bierre"
}

{
  "etymology_text": "From the initials BR.",
  "forms": [
    {
      "form": "bierri",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mfbysense"
      },
      "expansion": "bierre m or f by sense (plural bierri)",
      "name": "it-noun"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Italian countable nouns",
        "Italian entries with incorrect language header",
        "Italian feminine nouns",
        "Italian lemmas",
        "Italian links with redundant alt parameters",
        "Italian links with redundant wikilinks",
        "Italian masculine and feminine nouns by sense",
        "Italian masculine nouns",
        "Italian nouns",
        "Italian nouns with multiple genders",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "a member of the Brigate Rosse"
      ],
      "links": [
        [
          "Brigate Rosse",
          "w:it:Brigate Rosse"
        ]
      ],
      "tags": [
        "by-personal-gender",
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "bierre"
}