"charrer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "char",
        "3": "-er<id:agent noun>"
      },
      "expansion": "char + -er",
      "name": "affix"
    }
  ],
  "etymology_text": "From char + -er.",
  "forms": [
    {
      "form": "charrers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "charrer (plural charrers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Alcohol production",
          "orig": "en:Alcohol production",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Occupations",
          "orig": "en:Occupations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A worker who chars the insides of barrels in which whisky is to be aged"
      ],
      "id": "en-charrer-en-noun-dFwUXQnP",
      "links": [
        [
          "char",
          "char"
        ],
        [
          "barrel",
          "barrel"
        ],
        [
          "whisky",
          "whisky"
        ]
      ]
    }
  ],
  "word": "charrer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "char",
        "3": "-er<id:agent noun>"
      },
      "expansion": "char + -er",
      "name": "affix"
    }
  ],
  "etymology_text": "From char + -er.",
  "forms": [
    {
      "form": "charrers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "charrer (plural charrers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er (agent noun)",
        "Pages with 2 entries",
        "Pages with entries",
        "en:Alcohol production",
        "en:Occupations"
      ],
      "glosses": [
        "A worker who chars the insides of barrels in which whisky is to be aged"
      ],
      "links": [
        [
          "char",
          "char"
        ],
        [
          "barrel",
          "barrel"
        ],
        [
          "whisky",
          "whisky"
        ]
      ]
    }
  ],
  "word": "charrer"
}