"pilot scheme" meaning in English

{
  "forms": [
    {
      "form": "pilot schemes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pilot scheme (plural pilot schemes)",
      "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": "2019 October 23, Rail, page 11",
          "text": "After a pilot scheme, VT [Virgin Trains] introduced 275 [body] cameras from September 2018. Between April and September 2019, assaults on VT staff fell by 30% compared with the previous year.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An experiment carried out to test a new idea or concept before full-scale introduction; a pilot study."
      ],
      "id": "en-pilot_scheme-en-noun-lCHyv9oP",
      "links": [
        [
          "experiment",
          "experiment"
        ],
        [
          "idea",
          "idea"
        ],
        [
          "concept",
          "concept"
        ],
        [
          "full-scale",
          "full-scale"
        ]
      ],
      "related": [
        {
          "word": "pilot project"
        }
      ]
    }
  ],
  "word": "pilot scheme"
}

{
  "forms": [
    {
      "form": "pilot schemes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pilot scheme (plural pilot schemes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "pilot project"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2019 October 23, Rail, page 11",
          "text": "After a pilot scheme, VT [Virgin Trains] introduced 275 [body] cameras from September 2018. Between April and September 2019, assaults on VT staff fell by 30% compared with the previous year.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An experiment carried out to test a new idea or concept before full-scale introduction; a pilot study."
      ],
      "links": [
        [
          "experiment",
          "experiment"
        ],
        [
          "idea",
          "idea"
        ],
        [
          "concept",
          "concept"
        ],
        [
          "full-scale",
          "full-scale"
        ]
      ]
    }
  ],
  "word": "pilot scheme"
}