"spring leaf" meaning in English

{
  "forms": [
    {
      "form": "spring leaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "spring leaves"
      },
      "expansion": "spring leaf (plural spring leaves)",
      "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": "2000, Bob Foster, Birdum or Bust!, Henley Beach, SA: Seaview Press, page 116",
          "text": "I nearly went through the cab roof, we broke spring leaves down the left-hand side of the truck and we had to jack the iceboxes back into place.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One of the individual curved metal plates forming part of a leaf spring."
      ],
      "id": "en-spring_leaf-en-noun-2wlGBXnq",
      "links": [
        [
          "curved",
          "curved"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ],
        [
          "leaf spring",
          "leaf spring"
        ]
      ]
    }
  ],
  "word": "spring leaf"
}

{
  "forms": [
    {
      "form": "spring leaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "spring leaves"
      },
      "expansion": "spring leaf (plural spring leaves)",
      "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"
      ],
      "examples": [
        {
          "ref": "2000, Bob Foster, Birdum or Bust!, Henley Beach, SA: Seaview Press, page 116",
          "text": "I nearly went through the cab roof, we broke spring leaves down the left-hand side of the truck and we had to jack the iceboxes back into place.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "One of the individual curved metal plates forming part of a leaf spring."
      ],
      "links": [
        [
          "curved",
          "curved"
        ],
        [
          "metal",
          "metal"
        ],
        [
          "plate",
          "plate"
        ],
        [
          "leaf spring",
          "leaf spring"
        ]
      ]
    }
  ],
  "word": "spring leaf"
}