"showbill" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "show",
        "3": "bill"
      },
      "expansion": "show + bill",
      "name": "compound"
    }
  ],
  "etymology_text": "show + bill",
  "forms": [
    {
      "form": "showbills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "showbill (plural showbills)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1846, Nathaniel Hawthorne, “The Intelligence Office”, in Mosses from an Old Manse",
          "text": "The interior of the room was thrown into shadow, partly by the tall edifices that rose on the opposite side of the street, and partly by the immense show-bills of blue and crimson paper that were expanded over each of the three windows.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A large printed advertisement."
      ],
      "id": "en-showbill-en-noun-1IKjbL7U",
      "links": [
        [
          "advertisement",
          "advertisement"
        ]
      ]
    }
  ],
  "word": "showbill"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "show",
        "3": "bill"
      },
      "expansion": "show + bill",
      "name": "compound"
    }
  ],
  "etymology_text": "show + bill",
  "forms": [
    {
      "form": "showbills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "showbill (plural showbills)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1846, Nathaniel Hawthorne, “The Intelligence Office”, in Mosses from an Old Manse",
          "text": "The interior of the room was thrown into shadow, partly by the tall edifices that rose on the opposite side of the street, and partly by the immense show-bills of blue and crimson paper that were expanded over each of the three windows.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A large printed advertisement."
      ],
      "links": [
        [
          "advertisement",
          "advertisement"
        ]
      ]
    }
  ],
  "word": "showbill"
}