"roller football" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "roller football (uncountable)",
      "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": [
        {
          "text": "2006, Steve Beauchampe, Played in Birmingham, Played in Britain\nDespite efforts to maintain interest by staging novelty races and roller football, few of these rinks would survive, and only one more opened before the end of the century, at the Sherbourne Hotel, Balsall Heath, in 1887."
        },
        {
          "ref": "1979, Hal Straus and Marilou Sturges, Roller Skating Guide, World Publications, Inc., page 139",
          "text": "The most popular outdoor skating games, roller-frisbee, roller football, and roller hockey, are very difficult to adapt to indoor areas."
        }
      ],
      "glosses": [
        "the sport of either association football or American touch football played on roller skates."
      ],
      "id": "en-roller_football-en-noun-7TR0UZsB",
      "links": [
        [
          "association football",
          "association football"
        ],
        [
          "touch football",
          "touch football"
        ],
        [
          "roller skates",
          "roller skates"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "roller football"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "roller football (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "text": "2006, Steve Beauchampe, Played in Birmingham, Played in Britain\nDespite efforts to maintain interest by staging novelty races and roller football, few of these rinks would survive, and only one more opened before the end of the century, at the Sherbourne Hotel, Balsall Heath, in 1887."
        },
        {
          "ref": "1979, Hal Straus and Marilou Sturges, Roller Skating Guide, World Publications, Inc., page 139",
          "text": "The most popular outdoor skating games, roller-frisbee, roller football, and roller hockey, are very difficult to adapt to indoor areas."
        }
      ],
      "glosses": [
        "the sport of either association football or American touch football played on roller skates."
      ],
      "links": [
        [
          "association football",
          "association football"
        ],
        [
          "touch football",
          "touch football"
        ],
        [
          "roller skates",
          "roller skates"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "roller football"
}