"かどうか" meaning in Japanese

{
  "forms": [
    {
      "form": "ka dō ka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "particle",
        "2": "か どう か"
      },
      "expansion": "かどうか • (ka dō ka)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese particles",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I don't know whether or not he will come on time.",
          "roman": "Kare ga jikan-dōri kuru ka dō ka wakaranai.",
          "ruby": [
            [
              "彼",
              "かれ"
            ],
            [
              "時",
              "じ"
            ],
            [
              "間",
              "かん"
            ],
            [
              "通",
              "どお"
            ],
            [
              "来",
              "く"
            ],
            [
              "分",
              "わ"
            ]
          ],
          "text": "彼が時間通り来るかどうか分からない。"
        }
      ],
      "glosses": [
        "whether or not"
      ],
      "id": "en-かどうか-ja-particle-cCI9A8IE",
      "links": [
        [
          "whether",
          "whether"
        ]
      ]
    }
  ],
  "word": "かどうか"
}

{
  "forms": [
    {
      "form": "ka dō ka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "particle",
        "2": "か どう か"
      },
      "expansion": "かどうか • (ka dō ka)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "particle",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese hiragana",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese particles",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples"
      ],
      "examples": [
        {
          "english": "I don't know whether or not he will come on time.",
          "roman": "Kare ga jikan-dōri kuru ka dō ka wakaranai.",
          "ruby": [
            [
              "彼",
              "かれ"
            ],
            [
              "時",
              "じ"
            ],
            [
              "間",
              "かん"
            ],
            [
              "通",
              "どお"
            ],
            [
              "来",
              "く"
            ],
            [
              "分",
              "わ"
            ]
          ],
          "text": "彼が時間通り来るかどうか分からない。"
        }
      ],
      "glosses": [
        "whether or not"
      ],
      "links": [
        [
          "whether",
          "whether"
        ]
      ]
    }
  ],
  "word": "かどうか"
}