"残響" meaning in Japanese

{
  "forms": [
    {
      "form": "残響 ^",
      "ruby": [
        [
          "残",
          "ざん"
        ],
        [
          "響",
          "きょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "zankyō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "zankyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ざんきやう",
      "roman": "zankyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "殘響",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ざんきょう",
        "hhira": "ざんきやう"
      },
      "expansion": "残(ざん)響(きょう) • (zankyō) ^(←ざんきやう (zankyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Heiban pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Law enforcement",
          "orig": "ja:Law enforcement",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "reverberation; echo"
      ],
      "id": "en-残響-ja-noun-lfirvvF3",
      "links": [
        [
          "reverberation",
          "reverberation"
        ],
        [
          "echo",
          "echo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ざんきょー"
    },
    {
      "ipa": "[d͡zã̠ŋʲkʲo̞ː]"
    }
  ],
  "word": "残響"
}

{
  "forms": [
    {
      "form": "残響 ^",
      "ruby": [
        [
          "残",
          "ざん"
        ],
        [
          "響",
          "きょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "zankyō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "zankyau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ざんきやう",
      "roman": "zankyau",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "殘響",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ざんきょう",
        "hhira": "ざんきやう"
      },
      "expansion": "残(ざん)響(きょう) • (zankyō) ^(←ざんきやう (zankyau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with 残 read as ざん",
        "Japanese terms spelled with 響 read as きょう",
        "Japanese terms with 2 kanji",
        "Japanese terms with Heiban pitch accent (Tōkyō)",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Law enforcement"
      ],
      "glosses": [
        "reverberation; echo"
      ],
      "links": [
        [
          "reverberation",
          "reverberation"
        ],
        [
          "echo",
          "echo"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "ざんきょー"
    },
    {
      "ipa": "[d͡zã̠ŋʲkʲo̞ː]"
    }
  ],
  "word": "残響"
}