"sottoforma" meaning in Italian

{
  "forms": [
    {
      "form": "sottoforma [+ di ]",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sottoforma",
      "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"
        }
      ],
      "glosses": [
        "by way of"
      ],
      "id": "en-sottoforma-it-adv-1Cl3NtGi",
      "links": [
        [
          "by way of",
          "by way of"
        ]
      ],
      "synonyms": [
        {
          "word": "sotto forma"
        }
      ]
    }
  ],
  "word": "sottoforma"
}

{
  "forms": [
    {
      "form": "sottoforma [+ di ]",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sottoforma",
      "name": "it-adv"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Italian adverbs",
        "Italian entries with incorrect language header",
        "Italian lemmas"
      ],
      "glosses": [
        "by way of"
      ],
      "links": [
        [
          "by way of",
          "by way of"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sotto forma"
    }
  ],
  "word": "sottoforma"
}

{
  "called_from": "form_descriptions/1147",
  "msg": "suspicious related form tags ['canonical']: 'sottoforma [+ di ]' in 'sottoforma [+ di (object)]'",
  "path": [
    "sottoforma"
  ],
  "section": "Italian",
  "subsection": "adverb",
  "title": "sottoforma",
  "trace": ""
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: object",
  "path": [
    "sottoforma"
  ],
  "section": "Italian",
  "subsection": "adverb",
  "title": "sottoforma",
  "trace": ""
}