"black rider" meaning in English

{
  "etymology_text": "A reference to the Four Horsemen of the Apocalypse, as the rider of a black horse is Famine.",
  "forms": [
    {
      "form": "the black rider",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun",
        "head": "the black rider"
      },
      "expansion": "the black rider",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Blacks",
          "orig": "en:Blacks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Colors",
          "orig": "en:Colors",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Idioms about Colors",
          "orig": "en:Idioms about Colors",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Personifications",
          "orig": "en:Personifications",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "Conquest",
          "translation": "Conquest",
          "word": "white rider"
        },
        {
          "english": "War",
          "translation": "War",
          "word": "red rider"
        },
        {
          "english": "Death",
          "translation": "Death",
          "word": "pale rider"
        }
      ],
      "glosses": [
        "Famine, one of the Four Horsemen of the Apocalypse."
      ],
      "id": "en-black_rider-en-noun-L5cpFhiI",
      "raw_glosses": [
        "(idiomatic) Famine, one of the Four Horsemen of the Apocalypse."
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "pl",
          "lang": "Polish",
          "lang_code": "pl",
          "sense": "one of the four horsemen of the apocalypse",
          "tags": [
            "masculine"
          ],
          "word": "czarny jeździec"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-black rider.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/17/En-au-black_rider.ogg/En-au-black_rider.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/17/En-au-black_rider.ogg"
    }
  ],
  "word": "black rider"
}

{
  "coordinate_terms": [
    {
      "english": "Conquest",
      "translation": "Conquest",
      "word": "white rider"
    },
    {
      "english": "War",
      "translation": "War",
      "word": "red rider"
    },
    {
      "english": "Death",
      "translation": "Death",
      "word": "pale rider"
    }
  ],
  "etymology_text": "A reference to the Four Horsemen of the Apocalypse, as the rider of a black horse is Famine.",
  "forms": [
    {
      "form": "the black rider",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun",
        "head": "the black rider"
      },
      "expansion": "the black rider",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Polish translations",
        "en:Blacks",
        "en:Colors",
        "en:Idioms about Colors",
        "en:Personifications"
      ],
      "glosses": [
        "Famine, one of the Four Horsemen of the Apocalypse."
      ],
      "raw_glosses": [
        "(idiomatic) Famine, one of the Four Horsemen of the Apocalypse."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-black rider.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/17/En-au-black_rider.ogg/En-au-black_rider.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/17/En-au-black_rider.ogg"
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "lang_code": "pl",
      "sense": "one of the four horsemen of the apocalypse",
      "tags": [
        "masculine"
      ],
      "word": "czarny jeździec"
    }
  ],
  "word": "black rider"
}