"coplane" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "plane"
      },
      "expansion": "co- + plane",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + plane",
  "forms": [
    {
      "form": "coplanes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coplane (plural coplanes)",
      "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"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with co-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
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            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1980, Jaya Srivastava, Combinatorial Mathematics, Optimal Designs, and Their Applications, page 61",
          "text": "In Section 4 we show that any PMD in which a coplane is not the intersection of two hyperplanes is an extension of a projective plane.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The dual of a plane."
      ],
      "id": "en-coplane-en-noun-nM3tJ7k5",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "dual",
          "dual"
        ],
        [
          "plane",
          "plane"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The dual of a plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "coplane"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "plane"
      },
      "expansion": "co- + plane",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + plane",
  "forms": [
    {
      "form": "coplanes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coplane (plural coplanes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English terms prefixed with co-",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Mathematics"
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      "examples": [
        {
          "ref": "1980, Jaya Srivastava, Combinatorial Mathematics, Optimal Designs, and Their Applications, page 61",
          "text": "In Section 4 we show that any PMD in which a coplane is not the intersection of two hyperplanes is an extension of a projective plane.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The dual of a plane."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "dual",
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        ],
        [
          "plane",
          "plane"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The dual of a plane."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "coplane"
}