"駙" meaning in Japanese

{
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "categories": [
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Uncommon kanji",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "extra horse"
      ],
      "id": "en-駙-ja-character-MeqIGKt6",
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Japanese terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Uncommon kanji",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "imperial son-in-law"
      ],
      "id": "en-駙-ja-character-uh0bBsxJ",
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "駙"
}

{
  "categories": [
    "Japanese Han characters",
    "Japanese kanji with kun reading そえうま",
    "Japanese kanji with kun reading ちかい",
    "Japanese kanji with kun readings missing okurigana designation",
    "Japanese kanji with on reading ふ",
    "Japanese kanji with on reading ぶ",
    "Japanese terms spelled with 駙",
    "Japanese terms with redundant transliterations",
    "Uncommon kanji"
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "character",
  "senses": [
    {
      "glosses": [
        "extra horse"
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    },
    {
      "glosses": [
        "imperial son-in-law"
      ],
      "tags": [
        "Hyōgai",
        "kanji",
        "uncommon"
      ]
    }
  ],
  "word": "駙"
}