"salt horse" meaning in English

{
  "etymology_text": "From the fact that horse meat was considered especially unappetizing and rarely eaten, but that the meat had been so heavily salted and dried that it could just be horse meat passed off as beef.",
  "forms": [
    {
      "form": "salt horses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "salt horse (countable and uncountable, plural salt horses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "86 14",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "salt beef"
      ],
      "id": "en-salt_horse-en-noun-WFejqEo0",
      "links": [
        [
          "salt",
          "salt"
        ],
        [
          "beef",
          "beef"
        ]
      ],
      "qualifier": "sailor's slang",
      "raw_glosses": [
        "(uncountable, US, obsolete, sailor's slang) salt beef"
      ],
      "tags": [
        "US",
        "obsolete",
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A naval officer or rating whose training and experience have qualified him as a seaman rather than in any specialised trade."
      ],
      "id": "en-salt_horse-en-noun-RenNY1pw",
      "raw_glosses": [
        "(countable, UK, naval) A naval officer or rating whose training and experience have qualified him as a seaman rather than in any specialised trade."
      ],
      "tags": [
        "UK",
        "countable"
      ],
      "topics": [
        "government",
        "military",
        "naval",
        "navy",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-salt horse.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e9/En-au-salt_horse.ogg/En-au-salt_horse.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e9/En-au-salt_horse.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "salt horse"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with audio links",
    "English uncountable nouns"
  ],
  "etymology_text": "From the fact that horse meat was considered especially unappetizing and rarely eaten, but that the meat had been so heavily salted and dried that it could just be horse meat passed off as beef.",
  "forms": [
    {
      "form": "salt horses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "salt horse (countable and uncountable, plural salt horses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English slang",
        "English terms with obsolete senses",
        "English uncountable nouns"
      ],
      "glosses": [
        "salt beef"
      ],
      "links": [
        [
          "salt",
          "salt"
        ],
        [
          "beef",
          "beef"
        ]
      ],
      "qualifier": "sailor's slang",
      "raw_glosses": [
        "(uncountable, US, obsolete, sailor's slang) salt beef"
      ],
      "tags": [
        "US",
        "obsolete",
        "uncountable"
      ]
    },
    {
      "categories": [
        "British English",
        "English countable nouns"
      ],
      "glosses": [
        "A naval officer or rating whose training and experience have qualified him as a seaman rather than in any specialised trade."
      ],
      "raw_glosses": [
        "(countable, UK, naval) A naval officer or rating whose training and experience have qualified him as a seaman rather than in any specialised trade."
      ],
      "tags": [
        "UK",
        "countable"
      ],
      "topics": [
        "government",
        "military",
        "naval",
        "navy",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-salt horse.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e9/En-au-salt_horse.ogg/En-au-salt_horse.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e9/En-au-salt_horse.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "salt horse"
}