"білу" meaning in Ukrainian

{
  "forms": [
    {
      "form": "бі́лу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bílu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "adjective form",
        "head": "бі́лу"
      },
      "expansion": "бі́лу • (bílu)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ukrainian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "bílyj",
          "word": "бі́лий"
        }
      ],
      "glosses": [
        "feminine accusative singular of бі́лий (bílyj)"
      ],
      "id": "en-білу-uk-adj-g4cdZNJ-",
      "links": [
        [
          "бі́лий",
          "білий#Ukrainian"
        ]
      ],
      "tags": [
        "accusative",
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbʲiɫʊ]"
    }
  ],
  "word": "білу"
}

{
  "forms": [
    {
      "form": "бі́лу",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bílu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uk",
        "2": "adjective form",
        "head": "бі́лу"
      },
      "expansion": "бі́лу • (bílu)",
      "name": "head"
    }
  ],
  "lang": "Ukrainian",
  "lang_code": "uk",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Ukrainian adjective forms",
        "Ukrainian entries with incorrect language header",
        "Ukrainian non-lemma forms",
        "Ukrainian terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "bílyj",
          "word": "бі́лий"
        }
      ],
      "glosses": [
        "feminine accusative singular of бі́лий (bílyj)"
      ],
      "links": [
        [
          "бі́лий",
          "білий#Ukrainian"
        ]
      ],
      "tags": [
        "accusative",
        "feminine",
        "form-of",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbʲiɫʊ]"
    }
  ],
  "word": "білу"
}