"conical surface" meaning in English

{
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      "form": "conical surfaces",
      "tags": [
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      "expansion": "conical surface (plural conical surfaces)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Synonym of cone (“a surface of revolution formed by rotating a segment of a line around another line that intersects the first line or a solid of revolution formed by rotating a triangle around one of its altitudes”)"
      ],
      "id": "en-conical_surface-en-noun-XbQiwUf0",
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          "cone",
          "cone#English"
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        "(geometry) Synonym of cone (“a surface of revolution formed by rotating a segment of a line around another line that intersects the first line or a solid of revolution formed by rotating a triangle around one of its altitudes”)"
      ],
      "synonyms": [
        {
          "extra": "a surface of revolution formed by rotating a segment of a line around another line that intersects the first line or a solid of revolution formed by rotating a triangle around one of its altitudes",
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "cone"
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      "topics": [
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        "mathematics",
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  "word": "conical surface"
}

{
  "forms": [
    {
      "form": "conical surfaces",
      "tags": [
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      ]
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        "(geometry) Synonym of cone (“a surface of revolution formed by rotating a segment of a line around another line that intersects the first line or a solid of revolution formed by rotating a triangle around one of its altitudes”)"
      ],
      "synonyms": [
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  "word": "conical surface"
}