"exchecker" meaning in English

{
  "forms": [
    {
      "form": "excheckers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "exchecker (plural excheckers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "exchequer"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1570, Roger Ascham, The Scholemaster, A Preface to the Reader",
          "text": "...there dined togither these personages, M. Secretarie him selfe, Syr William Peter, Syr J. Mason, D. Wotton, Syr Richard Sackuille Treasurer of the Exchecker, Syr Walter Mildmaye Chauncellor of the Exchecker...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolete spelling of exchequer"
      ],
      "id": "en-exchecker-en-noun-v1hM-Que",
      "links": [
        [
          "exchequer",
          "exchequer#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "exchecker"
}

{
  "forms": [
    {
      "form": "excheckers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "exchecker (plural excheckers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "exchequer"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English obsolete forms",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1570, Roger Ascham, The Scholemaster, A Preface to the Reader",
          "text": "...there dined togither these personages, M. Secretarie him selfe, Syr William Peter, Syr J. Mason, D. Wotton, Syr Richard Sackuille Treasurer of the Exchecker, Syr Walter Mildmaye Chauncellor of the Exchecker...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolete spelling of exchequer"
      ],
      "links": [
        [
          "exchequer",
          "exchequer#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "exchecker"
}