"R & B" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "R & B (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "rhythm and blues"
        }
      ],
      "categories": [
        {
          "_dis": "59 41",
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "84 16",
          "kind": "topical",
          "langcode": "en",
          "name": "Blues music",
          "orig": "en:Blues music",
          "parents": [
            "Musical genres",
            "Genres",
            "Music",
            "Entertainment",
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Abbreviation of rhythm and blues."
      ],
      "id": "en-R_&_B-en-noun-XA8PeVsK",
      "links": [
        [
          "rhythm and blues",
          "rhythm and blues#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "79 21",
          "code": "ka",
          "lang": "Georgian",
          "roman": "arenbi",
          "sense": "Translations",
          "word": "არენბი"
        },
        {
          "_dis1": "79 21",
          "code": "ja",
          "lang": "Japanese",
          "roman": "āruandobī",
          "sense": "Translations",
          "word": "アールアンドビー"
        },
        {
          "_dis1": "79 21",
          "code": "ko",
          "lang": "Korean",
          "roman": "araenbi",
          "sense": "Translations",
          "word": "알앤비"
        }
      ]
    },
    {
      "alt_of": [
        {
          "word": "contemporary R&B"
        }
      ],
      "categories": [
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "22 78",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "Terms with Georgian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Terms with Korean translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Ellipsis of contemporary R&B."
      ],
      "id": "en-R_&_B-en-noun-92Uy3-JJ",
      "links": [
        [
          "contemporary R&B",
          "contemporary R&B#English"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "0 100",
          "word": "R&B"
        },
        {
          "_dis1": "0 100",
          "word": "r&b"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "ellipsis",
        "uncountable"
      ]
    }
  ],
  "word": "R & B"
}

{
  "categories": [
    "English abbreviations",
    "English coordinated pairs",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms spelled with &",
    "English uncountable nouns",
    "English words without vowels",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Georgian translations",
    "Terms with Japanese translations",
    "Terms with Korean translations",
    "Translation table header lacks gloss",
    "en:Blues music"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "R & B (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "rhythm and blues"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "glosses": [
        "Abbreviation of rhythm and blues."
      ],
      "links": [
        [
          "rhythm and blues",
          "rhythm and blues#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "contemporary R&B"
        }
      ],
      "categories": [
        "English ellipses"
      ],
      "glosses": [
        "Ellipsis of contemporary R&B."
      ],
      "links": [
        [
          "contemporary R&B",
          "contemporary R&B#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "ellipsis",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "R&B"
    },
    {
      "word": "r&b"
    }
  ],
  "translations": [
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "arenbi",
      "sense": "Translations",
      "word": "არენბი"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "āruandobī",
      "sense": "Translations",
      "word": "アールアンドビー"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "araenbi",
      "sense": "Translations",
      "word": "알앤비"
    }
  ],
  "word": "R & B"
}