"rotella" meaning in English

{
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    {
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        "2": "LL.",
        "3": "rotella"
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      "expansion": "Late Latin rotella",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "rowel"
      },
      "expansion": "Doublet of rowel",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Late Latin rotella, diminutive of rota (“wheel”). Doublet of rowel.",
  "head_templates": [
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      "args": {
        "1": "?"
      },
      "expansion": "rotella",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w+disamb"
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        {
          "_dis": "46 2 20 5 17 9",
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          "name": "Pages with 3 entries",
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        {
          "_dis": "49 2 22 3 18 6",
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      ],
      "glosses": [
        "A disc."
      ],
      "id": "en-rotella-en-noun-aL8ChwPJ",
      "links": [
        [
          "disc",
          "disc"
        ]
      ]
    },
    {
      "glosses": [
        "A round shield."
      ],
      "id": "en-rotella-en-noun-l8AGzbv~",
      "links": [
        [
          "round",
          "round"
        ],
        [
          "shield",
          "shield"
        ]
      ]
    }
  ],
  "word": "rotella"
}

{
  "categories": [
    "English countable nouns",
    "English doublets",
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    "English lemmas",
    "English nouns",
    "English nouns with unknown or uncertain plurals",
    "English terms derived from Late Latin",
    "Pages with 3 entries",
    "Pages with entries"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "LL.",
        "3": "rotella"
      },
      "expansion": "Late Latin rotella",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "rowel"
      },
      "expansion": "Doublet of rowel",
      "name": "doublet"
    }
  ],
  "etymology_text": "From Late Latin rotella, diminutive of rota (“wheel”). Doublet of rowel.",
  "head_templates": [
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        "1": "?"
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      "expansion": "rotella",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A disc."
      ],
      "links": [
        [
          "disc",
          "disc"
        ]
      ]
    },
    {
      "glosses": [
        "A round shield."
      ],
      "links": [
        [
          "round",
          "round"
        ],
        [
          "shield",
          "shield"
        ]
      ]
    }
  ],
  "word": "rotella"
}