"懐メロ" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "なつメロ"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 音楽",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "一時流行し、それを聞くとその時代を懐かしく思える楽曲やメロディー。"
      ],
      "id": "ja-懐メロ-ja-noun-zV~ypc7y",
      "topics": [
        "music"
      ]
    }
  ],
  "word": "懐メロ"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "なつメロ"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 音楽"
      ],
      "glosses": [
        "一時流行し、それを聞くとその時代を懐かしく思える楽曲やメロディー。"
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "word": "懐メロ"
}