"extrados" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "extradossé",
        "4": "",
        "5": "outer curve"
      },
      "expansion": "French extradossé (“outer curve”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "extra",
        "4": "",
        "5": "outside"
      },
      "expansion": "Latin extra (“outside”)",
      "name": "der"
    },
    {
      "args": {
        "1": "fr",
        "2": "dos",
        "3": "",
        "4": "back"
      },
      "expansion": "dos (“back”)",
      "name": "m"
    },
    {
      "args": {
        "1": "la",
        "2": "dorsum"
      },
      "expansion": "Latin dorsum",
      "name": "cog"
    }
  ],
  "etymology_text": "From French extradossé (“outer curve”) from Latin extra (“outside”) + dos (“back”) (from Latin dorsum).",
  "forms": [
    {
      "form": "extradoses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "extrados",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "+",
        "2": "extrados"
      },
      "expansion": "extrados (plural extradoses or extrados)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Architecture",
          "orig": "en:Architecture",
          "parents": [
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
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          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "intrados"
        }
      ],
      "derived": [
        {
          "word": "extradosed"
        }
      ],
      "glosses": [
        "The outer or upper curve of an arch."
      ],
      "id": "en-extrados-en-noun-59Bw~uEh",
      "links": [
        [
          "architecture",
          "architecture"
        ],
        [
          "outer",
          "outer"
        ],
        [
          "upper",
          "upper"
        ],
        [
          "curve",
          "curve"
        ],
        [
          "arch",
          "arch"
        ]
      ],
      "raw_glosses": [
        "(architecture) The outer or upper curve of an arch."
      ],
      "topics": [
        "architecture"
      ]
    }
  ],
  "word": "extrados"
}

{
  "coordinate_terms": [
    {
      "word": "intrados"
    }
  ],
  "derived": [
    {
      "word": "extradosed"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "extradossé",
        "4": "",
        "5": "outer curve"
      },
      "expansion": "French extradossé (“outer curve”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "extra",
        "4": "",
        "5": "outside"
      },
      "expansion": "Latin extra (“outside”)",
      "name": "der"
    },
    {
      "args": {
        "1": "fr",
        "2": "dos",
        "3": "",
        "4": "back"
      },
      "expansion": "dos (“back”)",
      "name": "m"
    },
    {
      "args": {
        "1": "la",
        "2": "dorsum"
      },
      "expansion": "Latin dorsum",
      "name": "cog"
    }
  ],
  "etymology_text": "From French extradossé (“outer curve”) from Latin extra (“outside”) + dos (“back”) (from Latin dorsum).",
  "forms": [
    {
      "form": "extradoses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "extrados",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {
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      "expansion": "extrados (plural extradoses or extrados)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The outer or upper curve of an arch."
      ],
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      "raw_glosses": [
        "(architecture) The outer or upper curve of an arch."
      ],
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      ]
    }
  ],
  "word": "extrados"
}