"one drop" meaning in English

{
  "forms": [
    {
      "form": "one-drop",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "one drop (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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Music",
          "orig": "en:Music",
          "parents": [
            "Art",
            "Sound",
            "Culture",
            "Energy",
            "Society",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1995: You have different intricate things that you do with your high hat while your bass drum and your snare might be playing the same beat, like the one drop, where the bass drum and the snare drum is playing identically. — drummer Nelson Miller interviewed by Carter Van Pelt in The Roots Is In The Rhythm"
        }
      ],
      "glosses": [
        "A style of drumming, prevalent in reggae and attributed to Winston Grennan, in which the snare and bass play on the same beat."
      ],
      "id": "en-one_drop-en-noun-q5kvAsYS",
      "links": [
        [
          "music",
          "music"
        ],
        [
          "reggae",
          "reggae"
        ]
      ],
      "raw_glosses": [
        "(music) A style of drumming, prevalent in reggae and attributed to Winston Grennan, in which the snare and bass play on the same beat."
      ],
      "related": [
        {
          "word": "one-drop rule"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "one drop"
}

{
  "forms": [
    {
      "form": "one-drop",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "one drop (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "one-drop rule"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Music"
      ],
      "examples": [
        {
          "text": "1995: You have different intricate things that you do with your high hat while your bass drum and your snare might be playing the same beat, like the one drop, where the bass drum and the snare drum is playing identically. — drummer Nelson Miller interviewed by Carter Van Pelt in The Roots Is In The Rhythm"
        }
      ],
      "glosses": [
        "A style of drumming, prevalent in reggae and attributed to Winston Grennan, in which the snare and bass play on the same beat."
      ],
      "links": [
        [
          "music",
          "music"
        ],
        [
          "reggae",
          "reggae"
        ]
      ],
      "raw_glosses": [
        "(music) A style of drumming, prevalent in reggae and attributed to Winston Grennan, in which the snare and bass play on the same beat."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "entertainment",
        "lifestyle",
        "music"
      ]
    }
  ],
  "word": "one drop"
}