"mail clerk" meaning in English

{
  "forms": [
    {
      "form": "mail clerks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mail clerk (plural mail clerks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "a person who does clerical work in a post office."
      ],
      "id": "en-mail_clerk-en-noun-VLQKAqhU",
      "links": [
        [
          "post office",
          "post office"
        ]
      ]
    },
    {
      "glosses": [
        "a person who handles mail for a business or or other establishment."
      ],
      "id": "en-mail_clerk-en-noun-2Fze6YTQ",
      "links": [
        [
          "business",
          "business"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Occupations",
          "orig": "en:Occupations",
          "parents": [
            "People",
            "Work",
            "Human",
            "Human activity",
            "All topics",
            "Human behaviour",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Post",
          "orig": "en:Post",
          "parents": [
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "18 9 73",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "10 8 82",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 4 89",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 74 (photo caption)",
          "text": "Flange-stacked and cone-nosed, a Nashville, Chattanooga & St. Louis J-3 4-8-4 gives the mail clerks a look at the trim Alco as she leads the Dixie Limited out of Smyrna, Ga.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "a person who sorts mail in a mail car on a train."
      ],
      "id": "en-mail_clerk-en-noun-s91S20Ut",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "mail car",
          "mail car"
        ],
        [
          "train",
          "train"
        ]
      ],
      "raw_glosses": [
        "(rail transport) a person who sorts mail in a mail car on a train."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "mail clerk"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "mail clerks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mail clerk (plural mail clerks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "a person who does clerical work in a post office."
      ],
      "links": [
        [
          "post office",
          "post office"
        ]
      ]
    },
    {
      "glosses": [
        "a person who handles mail for a business or or other establishment."
      ],
      "links": [
        [
          "business",
          "business"
        ]
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "en:Occupations",
        "en:Post",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 74 (photo caption)",
          "text": "Flange-stacked and cone-nosed, a Nashville, Chattanooga & St. Louis J-3 4-8-4 gives the mail clerks a look at the trim Alco as she leads the Dixie Limited out of Smyrna, Ga.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "a person who sorts mail in a mail car on a train."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "mail car",
          "mail car"
        ],
        [
          "train",
          "train"
        ]
      ],
      "raw_glosses": [
        "(rail transport) a person who sorts mail in a mail car on a train."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "mail clerk"
}