"underlock" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "lock"
      },
      "expansion": "under- + lock",
      "name": "prefix"
    }
  ],
  "etymology_text": "From under- + lock.",
  "forms": [
    {
      "form": "underlocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "underlock (plural underlocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
        },
        {
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          "name": "English terms prefixed with under-",
          "parents": [],
          "source": "w"
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          "parents": [],
          "source": "w"
        },
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      ],
      "examples": [
        {
          "ref": "1839, British Farmer's Magazine, volume 3, page 187:",
          "text": "No cloggings, lumps of dirt, or underlocks should be suffered to be rolled up with the fleece, as such a practice is unfair to the purchaser, and by act of parliament there is a heavy penalty attached to those who are convicted of doing it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A lock of wool hanging under the belly of a sheep."
      ],
      "id": "en-underlock-en-noun-stLyzfvJ",
      "links": [
        [
          "lock",
          "lock"
        ],
        [
          "wool",
          "wool"
        ],
        [
          "belly",
          "belly"
        ],
        [
          "sheep",
          "sheep"
        ]
      ]
    }
  ],
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      "audio": "LL-Q1860 (eng)-Flame, not lame-underlock.wav",
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    }
  ],
  "word": "underlock"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "lock"
      },
      "expansion": "under- + lock",
      "name": "prefix"
    }
  ],
  "etymology_text": "From under- + lock.",
  "forms": [
    {
      "form": "underlocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "underlock (plural underlocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "English lemmas",
        "English nouns",
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        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1839, British Farmer's Magazine, volume 3, page 187:",
          "text": "No cloggings, lumps of dirt, or underlocks should be suffered to be rolled up with the fleece, as such a practice is unfair to the purchaser, and by act of parliament there is a heavy penalty attached to those who are convicted of doing it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A lock of wool hanging under the belly of a sheep."
      ],
      "links": [
        [
          "lock",
          "lock"
        ],
        [
          "wool",
          "wool"
        ],
        [
          "belly",
          "belly"
        ],
        [
          "sheep",
          "sheep"
        ]
      ]
    }
  ],
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  "word": "underlock"
}