"billiards room" meaning in English

{
  "forms": [
    {
      "form": "billiards rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "billiards room (plural billiards rooms)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "billiard room"
        }
      ],
      "categories": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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          "kind": "other",
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          "parents": [],
          "source": "w"
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      "examples": [
        {
          "ref": "1944 May and June, Arthur B. Longbottom, “The Derby Railway Institute”, in Railway Magazine, page 150:",
          "text": "There is also a fine dance and concert hall, a capacious reading room, a well-appointed billiards room with five tables, various committee and games rooms, photographic dark rooms, and a small but compact ladies' lounge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of billiard room"
      ],
      "id": "en-billiards_room-en-noun-g1hSYPDZ",
      "links": [
        [
          "billiard room",
          "billiard room#English"
        ]
      ],
      "tags": [
        "alt-of",
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    }
  ],
  "word": "billiards room"
}

{
  "forms": [
    {
      "form": "billiards rooms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "billiards room (plural billiards rooms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "billiard room"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1944 May and June, Arthur B. Longbottom, “The Derby Railway Institute”, in Railway Magazine, page 150:",
          "text": "There is also a fine dance and concert hall, a capacious reading room, a well-appointed billiards room with five tables, various committee and games rooms, photographic dark rooms, and a small but compact ladies' lounge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of billiard room"
      ],
      "links": [
        [
          "billiard room",
          "billiard room#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
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    }
  ],
  "word": "billiards room"
}