mess jacket From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA double-breasted jacket, part of mess kit. Related wordsSynonymsmonkey jacketshell jacketsuit jacketjacketjerkinjac-shirtjacketingblazerreefer jacketflight jacketsuitcoatshacketjumpdressing sackdressing jacketfield jacket References Wiktionary — mess jacket Wikipedia — mess jacket