"буки" meaning in Serbo-Croatian

{
  "etymology_templates": [
    {
      "args": {
        "1": "sh",
        "2": "cu",
        "3": "боукꙑ",
        "4": "",
        "5": "letter"
      },
      "expansion": "Old Church Slavonic боукꙑ (buky, “letter”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Old Church Slavonic боукꙑ (buky, “letter”). Akin to буква.",
  "forms": [
    {
      "form": "бу̀ки",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "bùki",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "бу̀ки"
      },
      "expansion": "бу̀ки m (Latin spelling bùki)",
      "name": "sh-noun"
    }
  ],
  "hyphenation": [
    "бу‧ки"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "buky"
      ],
      "id": "en-буки-sh-noun-rzwYoP9e",
      "links": [
        [
          "buky",
          "buky"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bǔki/"
    }
  ],
  "word": "буки"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sh",
        "2": "cu",
        "3": "боукꙑ",
        "4": "",
        "5": "letter"
      },
      "expansion": "Old Church Slavonic боукꙑ (buky, “letter”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Old Church Slavonic боукꙑ (buky, “letter”). Akin to буква.",
  "forms": [
    {
      "form": "бу̀ки",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "bùki",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "бу̀ки"
      },
      "expansion": "бу̀ки m (Latin spelling bùki)",
      "name": "sh-noun"
    }
  ],
  "hyphenation": [
    "бу‧ки"
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian lemmas",
        "Serbo-Croatian masculine nouns",
        "Serbo-Croatian nouns",
        "Serbo-Croatian terms derived from Old Church Slavonic",
        "Serbo-Croatian terms with IPA pronunciation",
        "Serbo-Croatian undefined derivations"
      ],
      "glosses": [
        "buky"
      ],
      "links": [
        [
          "buky",
          "buky"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bǔki/"
    }
  ],
  "word": "буки"
}