"arc-boutant" meaning in English

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      "expansion": "Unadapted borrowing from French arc-boutant",
      "name": "ubor"
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  ],
  "etymology_text": "Unadapted borrowing from French arc-boutant.",
  "forms": [
    {
      "form": "arc-boutants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "arc-boutant (plural arc-boutants)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Architecture",
          "orig": "en:Architecture",
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      ],
      "glosses": [
        "Synonym of flying buttress"
      ],
      "id": "en-arc-boutant-en-noun-psLVcO8R",
      "links": [
        [
          "architecture",
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        [
          "flying buttress",
          "flying buttress#English"
        ]
      ],
      "raw_glosses": [
        "(architecture) Synonym of flying buttress"
      ],
      "synonyms": [
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          "tags": [
            "synonym",
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          "word": "flying buttress"
        },
        {
          "word": "arc boutant"
        }
      ],
      "topics": [
        "architecture"
      ]
    }
  ],
  "word": "arc-boutant"
}

{
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        "3": "arc-boutant"
      },
      "expansion": "Unadapted borrowing from French arc-boutant",
      "name": "ubor"
    }
  ],
  "etymology_text": "Unadapted borrowing from French arc-boutant.",
  "forms": [
    {
      "form": "arc-boutants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "arc-boutant (plural arc-boutants)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Synonym of flying buttress"
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          "flying buttress",
          "flying buttress#English"
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        "(architecture) Synonym of flying buttress"
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  "synonyms": [
    {
      "word": "arc boutant"
    }
  ],
  "word": "arc-boutant"
}