"clip board" meaning in English

{
  "forms": [
    {
      "form": "clip boards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clip board (plural clip boards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "clipboard"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2023 February 8, Greg Morse, “Crossing the border... by Sleeper”, in RAIL, number 976, page 42",
          "text": "I walk from the back of the train to the front, looking for my coach - Carriage P. I fail. I find a member of staff with a clip board, who smiles warmly. \"Oh,\" she says, \"That'll be Coach N. They haven't changed it over yet.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of clipboard."
      ],
      "id": "en-clip_board-en-noun-PX1yWB6g",
      "links": [
        [
          "clipboard",
          "clipboard#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "clip board"
}

{
  "forms": [
    {
      "form": "clip boards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "clip board (plural clip boards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "clipboard"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2023 February 8, Greg Morse, “Crossing the border... by Sleeper”, in RAIL, number 976, page 42",
          "text": "I walk from the back of the train to the front, looking for my coach - Carriage P. I fail. I find a member of staff with a clip board, who smiles warmly. \"Oh,\" she says, \"That'll be Coach N. They haven't changed it over yet.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of clipboard."
      ],
      "links": [
        [
          "clipboard",
          "clipboard#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "clip board"
}