"ぼいん" meaning in Giapponese

{
  "categories": [
    {
      "kind": "other",
      "name": "Sostantivi in giapponese",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Giapponese",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "拇印: impronta del pollice"
      ],
      "id": "it-ぼいん-ja-noun-mjpWmvRD"
    },
    {
      "glosses": [
        "母音: vocale"
      ],
      "id": "it-ぼいん-ja-noun-J1HcbTqL",
      "raw_tags": [
        "fonetica"
      ]
    },
    {
      "glosses": [
        "ボイン: grosso seno"
      ],
      "id": "it-ぼいん-ja-noun-5AWags~~",
      "raw_tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/boiɴ/"
    }
  ],
  "tags": [
    "Rōmaji"
  ],
  "word": "ぼいん"
}

{
  "categories": [
    "Sostantivi in giapponese"
  ],
  "lang": "Giapponese",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "拇印: impronta del pollice"
      ]
    },
    {
      "glosses": [
        "母音: vocale"
      ],
      "raw_tags": [
        "fonetica"
      ]
    },
    {
      "glosses": [
        "ボイン: grosso seno"
      ],
      "raw_tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/boiɴ/"
    }
  ],
  "tags": [
    "Rōmaji"
  ],
  "word": "ぼいん"
}