"sandwichboard" meaning in English

{
  "forms": [
    {
      "form": "sandwichboards",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
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      "expansion": "sandwichboard (plural sandwichboards)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sandwich board"
        }
      ],
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      "examples": [
        {
          "ref": "1922 February, James Joyce, “[Episode 16: Eumaeus]”, in Ulysses, Paris: Shakespeare and Company, […], →OCLC, part III [Nostos], page 574:",
          "text": "Who's that with you? I saw him a few times in the Bleeding Horse in Camden street with Boylan the billsticker. You might put in a good word for us to get me taken on there. I'd carry a sandwichboard only the girl in the office told me they're full up for the next three weeks, man.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of sandwich board"
      ],
      "id": "en-sandwichboard-en-noun--nXMNVa5",
      "links": [
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          "sandwich board",
          "sandwich board#English"
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      "tags": [
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  "word": "sandwichboard"
}

{
  "forms": [
    {
      "form": "sandwichboards",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sandwichboard (plural sandwichboards)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "sandwich board"
        }
      ],
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        "English countable nouns",
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        {
          "ref": "1922 February, James Joyce, “[Episode 16: Eumaeus]”, in Ulysses, Paris: Shakespeare and Company, […], →OCLC, part III [Nostos], page 574:",
          "text": "Who's that with you? I saw him a few times in the Bleeding Horse in Camden street with Boylan the billsticker. You might put in a good word for us to get me taken on there. I'd carry a sandwichboard only the girl in the office told me they're full up for the next three weeks, man.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of sandwich board"
      ],
      "links": [
        [
          "sandwich board",
          "sandwich board#English"
        ]
      ],
      "tags": [
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  "word": "sandwichboard"
}