"in piano" meaning in Italian

{
  "etymology_templates": [
    {
      "args": {
        "1": "in plane"
      },
      "expansion": "“in plane”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "in plane"
      },
      "expansion": "Literally, “in plane”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “in plane”.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prepositional phrase"
      },
      "expansion": "in piano",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Italian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "It was like two bombshells, I guess, hitting us.\n(literally, “Practically it was as if two bombs had struck us on level ground.”)",
          "ref": "2004 July 22, The Staircase, episode 1, spoken by Martha Ratliff (Martha Ratliff)",
          "text": "Praticamente era come se due bombe ci avessero colpito in piano.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "on level ground"
      ],
      "id": "en-in_piano-it-prep_phrase-K-i6haPx",
      "links": [
        [
          "level",
          "level"
        ],
        [
          "ground",
          "ground"
        ]
      ]
    }
  ],
  "word": "in piano"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "in plane"
      },
      "expansion": "“in plane”",
      "name": "m-g"
    },
    {
      "args": {
        "1": "in plane"
      },
      "expansion": "Literally, “in plane”",
      "name": "lit"
    }
  ],
  "etymology_text": "Literally, “in plane”.",
  "head_templates": [
    {
      "args": {
        "1": "it",
        "2": "prepositional phrase"
      },
      "expansion": "in piano",
      "name": "head"
    }
  ],
  "lang": "Italian",
  "lang_code": "it",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Italian entries with incorrect language header",
        "Italian lemmas",
        "Italian multiword terms",
        "Italian prepositional phrases",
        "Italian terms with quotations"
      ],
      "examples": [
        {
          "english": "It was like two bombshells, I guess, hitting us.\n(literally, “Practically it was as if two bombs had struck us on level ground.”)",
          "ref": "2004 July 22, The Staircase, episode 1, spoken by Martha Ratliff (Martha Ratliff)",
          "text": "Praticamente era come se due bombe ci avessero colpito in piano.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "on level ground"
      ],
      "links": [
        [
          "level",
          "level"
        ],
        [
          "ground",
          "ground"
        ]
      ]
    }
  ],
  "word": "in piano"
}