"kluka" meaning in Czech

{
  "head_templates": [
    {
      "args": {
        "1": "cs",
        "2": "noun form",
        "g": "m-an"
      },
      "expansion": "kluka m anim",
      "name": "head"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "47 14 14 17 3 4",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 14 23 25 2 3",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "14 23 21 27 7 9",
          "kind": "other",
          "name": "Pages with etymon",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "kluk"
        }
      ],
      "glosses": [
        "genitive/accusative singular of kluk"
      ],
      "id": "en-kluka-cs-noun-A9sU3iiN",
      "links": [
        [
          "kluk",
          "kluk#Czech"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "genitive",
        "masculine",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkluka]"
    }
  ],
  "word": "kluka"
}

{
  "categories": [
    "Kociewie Polish",
    "Pages using etymon with no ID",
    "Pages with 2 entries",
    "Pages with entries",
    "Pages with etymon",
    "pl:Chickens",
    "pl:Face",
    "pl:Female animals",
    "pl:Tools",
    "Żywiec Polish"
  ],
  "head_templates": [
    {
      "args": {
        "1": "cs",
        "2": "noun form",
        "g": "m-an"
      },
      "expansion": "kluka m anim",
      "name": "head"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Czech entries with incorrect language header",
        "Czech non-lemma forms",
        "Czech noun forms",
        "Czech terms with IPA pronunciation",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "kluk"
        }
      ],
      "glosses": [
        "genitive/accusative singular of kluk"
      ],
      "links": [
        [
          "kluk",
          "kluk#Czech"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "genitive",
        "masculine",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkluka]"
    }
  ],
  "word": "kluka"
}