"Simple Simon under" meaning in All languages combined

{
  "forms": [
    {
      "form": "Simple Simon unders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Simple Simon under"
      },
      "expansion": "Simple Simon under (plural Simple Simon unders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Knots",
          "orig": "en:Knots",
          "parents": [
            "Miscellaneous",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a type of bend knot used to join two ropes, variation of the Simple Simon over."
      ],
      "id": "en-Simple_Simon_under-en-noun-Vn~-ajG-",
      "links": [
        [
          "bend",
          "bend"
        ],
        [
          "knot",
          "knot"
        ],
        [
          "Simple Simon over",
          "Simple Simon over"
        ]
      ]
    }
  ],
  "word": "Simple Simon under"
}

{
  "forms": [
    {
      "form": "Simple Simon unders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Simple Simon under"
      },
      "expansion": "Simple Simon under (plural Simple Simon unders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Knots"
      ],
      "glosses": [
        "a type of bend knot used to join two ropes, variation of the Simple Simon over."
      ],
      "links": [
        [
          "bend",
          "bend"
        ],
        [
          "knot",
          "knot"
        ],
        [
          "Simple Simon over",
          "Simple Simon over"
        ]
      ]
    }
  ],
  "word": "Simple Simon under"
}