"undertwig" meaning in English

{
  "etymology_templates": [
    {
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        "2": "under",
        "3": "twig"
      },
      "expansion": "under- + twig",
      "name": "pre"
    }
  ],
  "etymology_text": "From under- + twig.",
  "forms": [
    {
      "form": "undertwigs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "undertwig (plural undertwigs)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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          "parents": [],
          "source": "w"
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          "parents": [],
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      "examples": [
        {
          "text": "Edward Hamilton Aitken, Zoo in the Garden\nIts very way of sitting, bolt upright, on the undertwigs of a tree, and the ceaseless, nervous movement of its little tail, and the nimble little sallies after flies, […]"
        }
      ],
      "glosses": [
        "A lower twig."
      ],
      "id": "en-undertwig-en-noun-06iWs80a"
    }
  ],
  "word": "undertwig"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "under",
        "3": "twig"
      },
      "expansion": "under- + twig",
      "name": "pre"
    }
  ],
  "etymology_text": "From under- + twig.",
  "forms": [
    {
      "form": "undertwigs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "undertwig (plural undertwigs)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "text": "Edward Hamilton Aitken, Zoo in the Garden\nIts very way of sitting, bolt upright, on the undertwigs of a tree, and the ceaseless, nervous movement of its little tail, and the nimble little sallies after flies, […]"
        }
      ],
      "glosses": [
        "A lower twig."
      ]
    }
  ],
  "word": "undertwig"
}