"radial shield" meaning in English

{
  "forms": [
    {
      "form": "radial shields",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radial shield (plural radial shields)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Either of the two plates situated on the disk at the base of each ray of some starfish."
      ],
      "id": "en-radial_shield-en-noun-zkn4GFBI",
      "links": [
        [
          "ray",
          "ray"
        ],
        [
          "starfish",
          "starfish"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "7 93",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A radial graphite reflector surrounding a pressurized water reactor."
      ],
      "id": "en-radial_shield-en-noun-~cHLeMPs",
      "links": [
        [
          "graphite",
          "graphite"
        ],
        [
          "reflector",
          "reflector"
        ],
        [
          "pressurized water reactor",
          "pressurized water reactor"
        ]
      ]
    }
  ],
  "word": "radial shield"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "radial shields",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radial shield (plural radial shields)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Either of the two plates situated on the disk at the base of each ray of some starfish."
      ],
      "links": [
        [
          "ray",
          "ray"
        ],
        [
          "starfish",
          "starfish"
        ]
      ]
    },
    {
      "glosses": [
        "A radial graphite reflector surrounding a pressurized water reactor."
      ],
      "links": [
        [
          "graphite",
          "graphite"
        ],
        [
          "reflector",
          "reflector"
        ],
        [
          "pressurized water reactor",
          "pressurized water reactor"
        ]
      ]
    }
  ],
  "word": "radial shield"
}