"mumble-bee" meaning in English

{
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  "etymology_text": "Origin uncertain; apparently an alteration of bumblebee. According to Wilfrid Granville (A Dictionary of Sailors’ Slang, 1962), “they were modelled on the oyster-fishing boats of the Mumbles district near Swansea”.",
  "forms": [
    {
      "form": "mumble-bees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mumble-bee (plural mumble-bees)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Devonian English",
          "parents": [],
          "source": "w"
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      ],
      "glosses": [
        "A kind of small trawling vessel."
      ],
      "id": "en-mumble-bee-en-noun-w8UlaDdT",
      "links": [
        [
          "trawling",
          "trawling"
        ],
        [
          "vessel",
          "vessel"
        ]
      ],
      "raw_glosses": [
        "(Devon, historical) A kind of small trawling vessel."
      ],
      "tags": [
        "Devon",
        "historical"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmʌmbl̩bi/"
    }
  ],
  "word": "mumble-bee"
}

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  ],
  "etymology_text": "Origin uncertain; apparently an alteration of bumblebee. According to Wilfrid Granville (A Dictionary of Sailors’ Slang, 1962), “they were modelled on the oyster-fishing boats of the Mumbles district near Swansea”.",
  "forms": [
    {
      "form": "mumble-bees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "mumble-bee (plural mumble-bees)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A kind of small trawling vessel."
      ],
      "links": [
        [
          "trawling",
          "trawling"
        ],
        [
          "vessel",
          "vessel"
        ]
      ],
      "raw_glosses": [
        "(Devon, historical) A kind of small trawling vessel."
      ],
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        "historical"
      ]
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  ],
  "sounds": [
    {
      "ipa": "/ˈmʌmbl̩bi/"
    }
  ],
  "word": "mumble-bee"
}