"cash boy" meaning in English

{
  "forms": [
    {
      "form": "cash boys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cash boy (plural cash boys)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "In large retail stores, a male messenger who carries the money received by the salesman from customers to a cashier, and returns the proper change."
      ],
      "id": "en-cash_boy-en-noun-6ItjtLxa",
      "links": [
        [
          "messenger",
          "messenger"
        ],
        [
          "money",
          "money"
        ],
        [
          "salesman",
          "salesman"
        ],
        [
          "customer",
          "customer"
        ],
        [
          "cashier",
          "cashier"
        ],
        [
          "change",
          "change"
        ]
      ],
      "raw_glosses": [
        "(dated, informal) In large retail stores, a male messenger who carries the money received by the salesman from customers to a cashier, and returns the proper change."
      ],
      "tags": [
        "dated",
        "informal"
      ]
    }
  ],
  "word": "cash boy"
}

{
  "forms": [
    {
      "form": "cash boys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cash boy (plural cash boys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "In large retail stores, a male messenger who carries the money received by the salesman from customers to a cashier, and returns the proper change."
      ],
      "links": [
        [
          "messenger",
          "messenger"
        ],
        [
          "money",
          "money"
        ],
        [
          "salesman",
          "salesman"
        ],
        [
          "customer",
          "customer"
        ],
        [
          "cashier",
          "cashier"
        ],
        [
          "change",
          "change"
        ]
      ],
      "raw_glosses": [
        "(dated, informal) In large retail stores, a male messenger who carries the money received by the salesman from customers to a cashier, and returns the proper change."
      ],
      "tags": [
        "dated",
        "informal"
      ]
    }
  ],
  "word": "cash boy"
}