"rocker panel" meaning in English

{
  "forms": [
    {
      "form": "rocker panels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rocker panel (plural rocker panels)",
      "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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
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        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Korean translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Auto parts",
          "orig": "en:Auto parts",
          "parents": [
            "Automobiles",
            "Automotive",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The part of the side of a car below the doors."
      ],
      "id": "en-rocker_panel-en-noun-xwMDy~Jk",
      "links": [
        [
          "car",
          "car"
        ]
      ],
      "synonyms": [
        {
          "word": "rocker"
        },
        {
          "word": "sill"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "chēshēn dǐbù",
          "sense": "part of the side of a car below the doors",
          "word": "車身底部 /车身底部"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "part of the side of a car below the doors",
          "word": "helmapelti"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "part of the side of a car below the doors",
          "tags": [
            "masculine"
          ],
          "word": "Schweller"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "rokkā paneru",
          "sense": "part of the side of a car below the doors",
          "word": "ロッカーパネル"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "rokeo paeneol",
          "sense": "part of the side of a car below the doors",
          "word": "로커 패널"
        }
      ]
    }
  ],
  "word": "rocker panel"
}

{
  "forms": [
    {
      "form": "rocker panels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rocker panel (plural rocker panels)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Japanese translations",
        "Terms with Korean translations",
        "Terms with Mandarin translations",
        "en:Auto parts"
      ],
      "glosses": [
        "The part of the side of a car below the doors."
      ],
      "links": [
        [
          "car",
          "car"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rocker"
    },
    {
      "word": "sill"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "chēshēn dǐbù",
      "sense": "part of the side of a car below the doors",
      "word": "車身底部 /车身底部"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "part of the side of a car below the doors",
      "word": "helmapelti"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "part of the side of a car below the doors",
      "tags": [
        "masculine"
      ],
      "word": "Schweller"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "rokkā paneru",
      "sense": "part of the side of a car below the doors",
      "word": "ロッカーパネル"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "rokeo paeneol",
      "sense": "part of the side of a car below the doors",
      "word": "로커 패널"
    }
  ],
  "word": "rocker panel"
}