"pocket piece" meaning in English

{
  "forms": [
    {
      "form": "pocket pieces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pocket piece (plural pocket pieces)",
      "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": "1775, Richard Brinsley Sheridan, The Rivals, I.2",
          "text": "Item, from Sir Lucius O'Trigger, three crowns, two gold pocket-pieces, and a silver snuff-box!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something carried in the pocket for good luck, especially a coin."
      ],
      "id": "en-pocket_piece-en-noun-6WphGIBI",
      "links": [
        [
          "pocket",
          "pocket"
        ],
        [
          "good luck",
          "good luck"
        ],
        [
          "coin",
          "coin"
        ]
      ]
    }
  ],
  "word": "pocket piece"
}

{
  "forms": [
    {
      "form": "pocket pieces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pocket piece (plural pocket pieces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1775, Richard Brinsley Sheridan, The Rivals, I.2",
          "text": "Item, from Sir Lucius O'Trigger, three crowns, two gold pocket-pieces, and a silver snuff-box!",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something carried in the pocket for good luck, especially a coin."
      ],
      "links": [
        [
          "pocket",
          "pocket"
        ],
        [
          "good luck",
          "good luck"
        ],
        [
          "coin",
          "coin"
        ]
      ]
    }
  ],
  "word": "pocket piece"
}