"mess jacket" meaning in English

{
  "forms": [
    {
      "form": "mess jackets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mess jacket (plural mess jackets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Clothing",
          "orig": "en:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "mess-jacketed"
        }
      ],
      "examples": [
        {
          "ref": "1905, H. G. Wells, Kipps, New York: Scribner, published 1906, Chapter 5, §3, pp. 273-274",
          "text": "“I often wonder,” he said, “whether I oughtn’t to dress for dinner—when I’m alone ’ere.” ¶ Coote protruded his lips and reflected. “Not full dress,” he adjudicated; “that would be a little excessive. But you should change, you know. Put on a mess jacket and that sort of thing—easy dress […].”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A double-breasted jacket, part of mess kit."
      ],
      "id": "en-mess_jacket-en-noun-bFzKbSG7",
      "links": [
        [
          "mess kit",
          "mess kit"
        ]
      ]
    }
  ],
  "word": "mess jacket"
}

{
  "derived": [
    {
      "word": "mess-jacketed"
    }
  ],
  "forms": [
    {
      "form": "mess jackets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mess jacket (plural mess jackets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Clothing"
      ],
      "examples": [
        {
          "ref": "1905, H. G. Wells, Kipps, New York: Scribner, published 1906, Chapter 5, §3, pp. 273-274",
          "text": "“I often wonder,” he said, “whether I oughtn’t to dress for dinner—when I’m alone ’ere.” ¶ Coote protruded his lips and reflected. “Not full dress,” he adjudicated; “that would be a little excessive. But you should change, you know. Put on a mess jacket and that sort of thing—easy dress […].”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A double-breasted jacket, part of mess kit."
      ],
      "links": [
        [
          "mess kit",
          "mess kit"
        ]
      ]
    }
  ],
  "word": "mess jacket"
}