"gearcase" meaning in English

{
  "forms": [
    {
      "form": "gearcases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gearcase (plural gearcases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "gear case"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1964 February, “French 155mph electric locomotives”, in Modern Railways, page 124",
          "text": "In order to provide practical experience of passenger train operation at speeds up to 155 m.p.h., the last two locomotives of the SNCF 9200 class (1,500 V d.c.) electric Bo-Bos have been equipped with modified gearing and gearcases.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of gear case"
      ],
      "id": "en-gearcase-en-noun-LQsL8aol",
      "links": [
        [
          "gear case",
          "gear case#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "gearcase"
}

{
  "forms": [
    {
      "form": "gearcases",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gearcase (plural gearcases)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "gear case"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1964 February, “French 155mph electric locomotives”, in Modern Railways, page 124",
          "text": "In order to provide practical experience of passenger train operation at speeds up to 155 m.p.h., the last two locomotives of the SNCF 9200 class (1,500 V d.c.) electric Bo-Bos have been equipped with modified gearing and gearcases.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of gear case"
      ],
      "links": [
        [
          "gear case",
          "gear case#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "gearcase"
}