"rest of advantage" meaning in English

{
  "forms": [
    {
      "form": "rests of advantage",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rests of advantage"
      },
      "expansion": "rest of advantage (plural rests of advantage)",
      "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"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Armor",
          "orig": "en:Armor",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1928, The Connoisseur, [volumes 81-82], page 13",
          "text": "Models of rider and great horse, the latter on wheels, are correctly harnessed and trappered, […] The puppet was modern, but the harness was complete except for the housings, saddle, rest of advantage, and parts of the poldermitton and manefer. There is a second harness in the Museum at Munich (No. xvii.).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of lance rest"
      ],
      "id": "en-rest_of_advantage-en-noun-jfYSh5qV",
      "links": [
        [
          "lance rest",
          "lance rest#English"
        ]
      ],
      "raw_glosses": [
        "(historical) Synonym of lance rest"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "lance rest"
        }
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "rest of advantage"
}

{
  "forms": [
    {
      "form": "rests of advantage",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "rests of advantage"
      },
      "expansion": "rest of advantage (plural rests of advantage)",
      "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 historical senses",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "en:Armor"
      ],
      "examples": [
        {
          "ref": "1928, The Connoisseur, [volumes 81-82], page 13",
          "text": "Models of rider and great horse, the latter on wheels, are correctly harnessed and trappered, […] The puppet was modern, but the harness was complete except for the housings, saddle, rest of advantage, and parts of the poldermitton and manefer. There is a second harness in the Museum at Munich (No. xvii.).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of lance rest"
      ],
      "links": [
        [
          "lance rest",
          "lance rest#English"
        ]
      ],
      "raw_glosses": [
        "(historical) Synonym of lance rest"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "lance rest"
        }
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "rest of advantage"
}