"Welsh not" meaning in English

{
  "forms": [
    {
      "form": "Welsh nots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Welsh not (plural Welsh nots)",
      "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": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Forms of discrimination",
          "orig": "en:Forms of discrimination",
          "parents": [
            "Discrimination",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "History of the United Kingdom",
          "orig": "en:History of the United Kingdom",
          "parents": [
            "United Kingdom",
            "History of Europe",
            "British Isles",
            "Europe",
            "History",
            "Islands",
            "Earth",
            "Eurasia",
            "All topics",
            "Places",
            "Nature",
            "Fundamental",
            "Names",
            "Proper nouns",
            "Terms by semantic function",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "en",
          "name": "Wales",
          "orig": "en:Wales",
          "parents": [
            "United Kingdom",
            "British Isles",
            "Europe",
            "Islands",
            "Earth",
            "Eurasia",
            "Places",
            "Nature",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A piece of wood or similar object used to discourage the speaking of Welsh in schools. Any child overheard speaking Welsh was given the \"not\", and the child who had it at the end of the day would be punished."
      ],
      "id": "en-Welsh_not-en-noun-AWT-YSTp",
      "links": [
        [
          "wood",
          "wood"
        ],
        [
          "discourage",
          "discourage"
        ],
        [
          "Welsh",
          "Welsh"
        ],
        [
          "punish",
          "punish"
        ]
      ],
      "raw_glosses": [
        "(historical) A piece of wood or similar object used to discourage the speaking of Welsh in schools. Any child overheard speaking Welsh was given the \"not\", and the child who had it at the end of the day would be punished."
      ],
      "synonyms": [
        {
          "word": "Welsh note"
        },
        {
          "word": "Welsh lump"
        },
        {
          "word": "Welsh stick"
        },
        {
          "word": "Welsh lead"
        },
        {
          "word": "Cwstom"
        },
        {
          "word": "Welsh Mark"
        },
        {
          "word": "Welsh Ticket"
        }
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Welsh Not"
      ]
    }
  ],
  "word": "Welsh not"
}

{
  "forms": [
    {
      "form": "Welsh nots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Welsh not (plural Welsh nots)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "en:Education",
        "en:Forms of discrimination",
        "en:History of the United Kingdom",
        "en:Wales"
      ],
      "glosses": [
        "A piece of wood or similar object used to discourage the speaking of Welsh in schools. Any child overheard speaking Welsh was given the \"not\", and the child who had it at the end of the day would be punished."
      ],
      "links": [
        [
          "wood",
          "wood"
        ],
        [
          "discourage",
          "discourage"
        ],
        [
          "Welsh",
          "Welsh"
        ],
        [
          "punish",
          "punish"
        ]
      ],
      "raw_glosses": [
        "(historical) A piece of wood or similar object used to discourage the speaking of Welsh in schools. Any child overheard speaking Welsh was given the \"not\", and the child who had it at the end of the day would be punished."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Welsh Not"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Welsh note"
    },
    {
      "word": "Welsh lump"
    },
    {
      "word": "Welsh stick"
    },
    {
      "word": "Welsh lead"
    },
    {
      "word": "Cwstom"
    },
    {
      "word": "Welsh Mark"
    },
    {
      "word": "Welsh Ticket"
    }
  ],
  "word": "Welsh not"
}