"radiodrome" meaning in English

{
  "etymology_text": "Greek ῥᾴδιος rhā́idios 'easier' + δρόμος drómos 'running'. Not related to radio- as in radioactive.",
  "forms": [
    {
      "form": "radiodromes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radiodrome (plural radiodromes)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Curves",
          "orig": "en:Curves",
          "parents": [
            "Shapes",
            "Geometry",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A pursuit curve, in which the thing being pursued is moving at constant velocity."
      ],
      "id": "en-radiodrome-en-noun-C5aBzNJL",
      "links": [
        [
          "pursuit curve",
          "pursuit curve"
        ]
      ],
      "wikipedia": [
        "radiodrome"
      ]
    }
  ],
  "word": "radiodrome"
}

{
  "etymology_text": "Greek ῥᾴδιος rhā́idios 'easier' + δρόμος drómos 'running'. Not related to radio- as in radioactive.",
  "forms": [
    {
      "form": "radiodromes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radiodrome (plural radiodromes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Curves"
      ],
      "glosses": [
        "A pursuit curve, in which the thing being pursued is moving at constant velocity."
      ],
      "links": [
        [
          "pursuit curve",
          "pursuit curve"
        ]
      ],
      "wikipedia": [
        "radiodrome"
      ]
    }
  ],
  "word": "radiodrome"
}