"springborne" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spring",
        "3": "borne"
      },
      "expansion": "spring + borne",
      "name": "af"
    }
  ],
  "etymology_text": "From spring + borne.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "springborne (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1960 August, G. Freeman Allen, “The new diesel-electric luxury Pullman units of British Railways”, in Trains Illustrated, page 475",
          "text": "The Pullman trains are the first B.R. diesel multiple-units to have fully springborne traction motors, which employ a Brown Boveri spring drive to the road wheels.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Supported by (mechanical) springs."
      ],
      "id": "en-springborne-en-adj-L1Scvhwr",
      "synonyms": [
        {
          "word": "spring-borne"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "springborne"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "spring",
        "3": "borne"
      },
      "expansion": "spring + borne",
      "name": "af"
    }
  ],
  "etymology_text": "From spring + borne.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "springborne (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1960 August, G. Freeman Allen, “The new diesel-electric luxury Pullman units of British Railways”, in Trains Illustrated, page 475",
          "text": "The Pullman trains are the first B.R. diesel multiple-units to have fully springborne traction motors, which employ a Brown Boveri spring drive to the road wheels.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Supported by (mechanical) springs."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "spring-borne"
    }
  ],
  "word": "springborne"
}