"working bee" meaning in English

{
  "forms": [
    {
      "form": "working bees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "working bee (plural working bees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "New Zealand English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A group of volunteers doing charitable work."
      ],
      "id": "en-working_bee-en-noun-03sIH~63",
      "links": [
        [
          "volunteer",
          "volunteer"
        ],
        [
          "charitable",
          "charitable"
        ]
      ],
      "raw_glosses": [
        "(New Zealand, Australia) A group of volunteers doing charitable work."
      ],
      "tags": [
        "Australia",
        "New-Zealand"
      ],
      "translations": [
        {
          "code": "mi",
          "english": "an idiom",
          "lang": "Maori",
          "sense": "a voluntary group doing a job for charity",
          "word": "ohu"
        }
      ]
    }
  ],
  "word": "working bee"
}

{
  "forms": [
    {
      "form": "working bees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "working bee (plural working bees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "New Zealand English"
      ],
      "glosses": [
        "A group of volunteers doing charitable work."
      ],
      "links": [
        [
          "volunteer",
          "volunteer"
        ],
        [
          "charitable",
          "charitable"
        ]
      ],
      "raw_glosses": [
        "(New Zealand, Australia) A group of volunteers doing charitable work."
      ],
      "tags": [
        "Australia",
        "New-Zealand"
      ]
    }
  ],
  "translations": [
    {
      "code": "mi",
      "english": "an idiom",
      "lang": "Maori",
      "sense": "a voluntary group doing a job for charity",
      "word": "ohu"
    }
  ],
  "word": "working bee"
}