"pieštuką" meaning in Lithuanian

{
  "forms": [
    {
      "form": "pieštùką",
      "tags": [
        "canonical",
        "masculine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "lt",
        "2": "noun form",
        "g": "m",
        "head": "pieštùką"
      },
      "expansion": "pieštùką m",
      "name": "head"
    }
  ],
  "lang": "Lithuanian",
  "lang_code": "lt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lithuanian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "pieštukas"
        }
      ],
      "glosses": [
        "accusative singular of pieštukas"
      ],
      "id": "en-pieštuką-lt-noun-nmnoniDg",
      "links": [
        [
          "pieštukas",
          "pieštukas#Lithuanian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲiɛʃˈtʊkaː]"
    }
  ],
  "word": "pieštuką"
}

{
  "forms": [
    {
      "form": "pieštùką",
      "tags": [
        "canonical",
        "masculine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "lt",
        "2": "noun form",
        "g": "m",
        "head": "pieštùką"
      },
      "expansion": "pieštùką m",
      "name": "head"
    }
  ],
  "lang": "Lithuanian",
  "lang_code": "lt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Lithuanian entries with incorrect language header",
        "Lithuanian non-lemma forms",
        "Lithuanian noun forms",
        "Lithuanian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "pieštukas"
        }
      ],
      "glosses": [
        "accusative singular of pieštukas"
      ],
      "links": [
        [
          "pieštukas",
          "pieštukas#Lithuanian"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[pʲiɛʃˈtʊkaː]"
    }
  ],
  "word": "pieštuką"
}