"per inciso" meaning in Italian

{
  "head_templates": [
    {
      "args": {},
      "expansion": "per inciso",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "Gabriele D'Annunzio was a great poet, whose real name, by the way, was Rapagnetta?",
          "ref": "2003, Antonio Tabucchi, chapter XIII, in Sostiene Pereira: una testimonianza [Pereira Declares: A Testimony], Rome: La biblioteca di Repubblica, published 1994, →ISBN, page 82:",
          "text": "Fu un grande poeta Gabriele D'Annunzio, il cui vero nome per inciso era Rapagnetta?",
          "type": "quote"
        }
      ],
      "glosses": [
        "incidentally, by the way"
      ],
      "id": "en-per_inciso-it-adv-tyK7kABd",
      "links": [
        [
          "incidentally",
          "incidentally"
        ],
        [
          "by the way",
          "by the way"
        ]
      ],
      "synonyms": [
        {
          "word": "incidentalmente"
        },
        {
          "word": "per caso"
        }
      ]
    }
  ],
  "word": "per inciso"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "per inciso",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "Gabriele D'Annunzio was a great poet, whose real name, by the way, was Rapagnetta?",
          "ref": "2003, Antonio Tabucchi, chapter XIII, in Sostiene Pereira: una testimonianza [Pereira Declares: A Testimony], Rome: La biblioteca di Repubblica, published 1994, →ISBN, page 82:",
          "text": "Fu un grande poeta Gabriele D'Annunzio, il cui vero nome per inciso era Rapagnetta?",
          "type": "quote"
        }
      ],
      "glosses": [
        "incidentally, by the way"
      ],
      "links": [
        [
          "incidentally",
          "incidentally"
        ],
        [
          "by the way",
          "by the way"
        ]
      ],
      "synonyms": [
        {
          "word": "incidentalmente"
        },
        {
          "word": "per caso"
        }
      ]
    }
  ],
  "word": "per inciso"
}