"pigeon drop" meaning in English

{
  "forms": [
    {
      "form": "pigeon drops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pigeon drop (plural pigeon drops)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1952, Ralph Ellison, Invisible Man, Penguin Books (2014), page 330",
          "text": "You some kind of confidence man or dope peddler or something? You trying to work one of those pigeon drops on me?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A confidence trick in which the mark or \"pigeon\" is persuaded to give up a sum of money in order to secure the rights to a larger sum of money or more valuable object."
      ],
      "id": "en-pigeon_drop-en-noun-n39BxfCz",
      "links": [
        [
          "confidence trick",
          "confidence trick"
        ],
        [
          "mark",
          "mark"
        ]
      ],
      "related": [
        {
          "word": "pigeon dropper"
        },
        {
          "word": "pigeon dropping"
        },
        {
          "word": "Spanish handkerchief"
        }
      ],
      "wikipedia": [
        "pigeon drop"
      ]
    }
  ],
  "word": "pigeon drop"
}

{
  "forms": [
    {
      "form": "pigeon drops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pigeon drop (plural pigeon drops)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "pigeon dropper"
    },
    {
      "word": "pigeon dropping"
    },
    {
      "word": "Spanish handkerchief"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1952, Ralph Ellison, Invisible Man, Penguin Books (2014), page 330",
          "text": "You some kind of confidence man or dope peddler or something? You trying to work one of those pigeon drops on me?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A confidence trick in which the mark or \"pigeon\" is persuaded to give up a sum of money in order to secure the rights to a larger sum of money or more valuable object."
      ],
      "links": [
        [
          "confidence trick",
          "confidence trick"
        ],
        [
          "mark",
          "mark"
        ]
      ],
      "wikipedia": [
        "pigeon drop"
      ]
    }
  ],
  "word": "pigeon drop"
}