"デカ" meaning in 日语

{
  "categories": [
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語片假名",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "* 来自角袖巡査(かくそでじゅんさ) (kakusodejunsa)之角袖，反过来后取头尾で和か。",
  "forms": [
    {
      "form": "deka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "警察"
      ],
      "id": "zh-デカ-ja-noun-kQo95Ie1"
    }
  ],
  "word": "デカ"
}

{
  "categories": [
    "日語名詞",
    "日語片假名",
    "日語詞元"
  ],
  "etymology_text": "* 来自角袖巡査(かくそでじゅんさ) (kakusodejunsa)之角袖，反过来后取头尾で和か。",
  "forms": [
    {
      "form": "deka",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "警察"
      ]
    }
  ],
  "word": "デカ"
}