"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": "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"
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      "expansion": "extrados (plural extradoses or extrados)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      ],
      "coordinate_terms": [
        {
          "word": "intrados"
        }
      ],
      "derived": [
        {
          "word": "extradosed"
        }
      ],
      "examples": [
        {
          "ref": "1954 January, “Strengthening of Coquet Viaduct”, in Railway Magazine, page 19:",
          "text": "The two lower rows of tubes at each end pier were then drilled through to the extrados of the brickwork to act as weep holes and assist in the drainage from the backs of the arches.",
          "type": "quote"
        }
      ],
      "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"
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      "expansion": "French extradossé (“outer curve”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "extra",
        "4": "",
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      "expansion": "Latin extra (“outside”)",
      "name": "der"
    },
    {
      "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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      "expansion": "extrados (plural extradoses or extrados)",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "1954 January, “Strengthening of Coquet Viaduct”, in Railway Magazine, page 19:",
          "text": "The two lower rows of tubes at each end pier were then drilled through to the extrados of the brickwork to act as weep holes and assist in the drainage from the backs of the arches.",
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      ],
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        "The outer or upper curve of an arch."
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        "(architecture) The outer or upper curve of an arch."
      ],
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  "word": "extrados"
}