"white-shirt" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "white",
        "3": "shirt"
      },
      "expansion": "white + shirt",
      "name": "compound"
    }
  ],
  "etymology_text": "white + shirt, from the colour of the uniform.",
  "forms": [
    {
      "form": "white-shirts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "white-shirt (plural white-shirts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English bahuvrihi compounds",
          "parents": [
            "Bahuvrihi compounds",
            "Compound terms",
            "Exocentric compounds",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A higher-ranking prison officer."
      ],
      "id": "en-white-shirt-en-noun-PQf5BCGo",
      "links": [
        [
          "prison",
          "prison"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "prison officer",
          "prison officer"
        ]
      ],
      "raw_glosses": [
        "(prison slang) A higher-ranking prison officer."
      ],
      "related": [
        {
          "word": "whitecoat"
        }
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "white-shirt"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "white",
        "3": "shirt"
      },
      "expansion": "white + shirt",
      "name": "compound"
    }
  ],
  "etymology_text": "white + shirt, from the colour of the uniform.",
  "forms": [
    {
      "form": "white-shirts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "white-shirt (plural white-shirts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "whitecoat"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjective-noun compound nouns",
        "English bahuvrihi compounds",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English prison slang",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "A higher-ranking prison officer."
      ],
      "links": [
        [
          "prison",
          "prison"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "prison officer",
          "prison officer"
        ]
      ],
      "raw_glosses": [
        "(prison slang) A higher-ranking prison officer."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "white-shirt"
}