"черго" meaning in Ukrainian

{
  "forms": [
    {
      "form": "че́рго",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "čérho",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "noun form",
        "head": "че́рго"
      },
      "expansion": "че́рго • (čérho)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "(čérha) and черга́ (čerhá)",
          "word": "че́рга"
        }
      ],
      "glosses": [
        "vocative singular of че́рга (čérha) and черга́ (čerhá)"
      ],
      "id": "en-черго-uk-noun-76dpYDKU",
      "links": [
        [
          "че́рга",
          "черга#Ukrainian"
        ],
        [
          "черга́",
          "черга#Ukrainian"
        ]
      ],
      "tags": [
        "form-of",
        "singular",
        "vocative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈt͡ʃɛrɦɔ]"
    }
  ],
  "word": "черго"
}

{
  "forms": [
    {
      "form": "че́рго",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "čérho",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "noun form",
        "head": "че́рго"
      },
      "expansion": "че́рго • (čérho)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Ukrainian entries with incorrect language header",
        "Ukrainian non-lemma forms",
        "Ukrainian noun forms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "(čérha) and черга́ (čerhá)",
          "word": "че́рга"
        }
      ],
      "glosses": [
        "vocative singular of че́рга (čérha) and черга́ (čerhá)"
      ],
      "links": [
        [
          "че́рга",
          "черга#Ukrainian"
        ],
        [
          "черга́",
          "черга#Ukrainian"
        ]
      ],
      "tags": [
        "form-of",
        "singular",
        "vocative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈt͡ʃɛrɦɔ]"
    }
  ],
  "word": "черго"
}