"œil-de-bœuf" meaning in French

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            "2": "œil-de-bœuf",
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          "expansion": "→ English: œil-de-bœuf",
          "name": "desc"
        }
      ],
      "text": "→ English: œil-de-bœuf"
    }
  ],
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    {
      "form": "œils-de-bœuf",
      "tags": [
        "plural"
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    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
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          "source": "w"
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        },
        {
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          "langcode": "fr",
          "name": "Architecture",
          "orig": "fr:Architecture",
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            "Art",
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              50,
              62
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          "ref": "1892, Jules Renard, L'écornifleur:",
          "text": "Je travaillais, comme toujours, en regardant par l’œil-de-bœuf la danse des flots de la mer. C’est ma petite pénitence de chaque matin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "bull's eye, oculus"
      ],
      "id": "en-œil-de-bœuf-fr-noun-QYSmyqPu",
      "links": [
        [
          "architecture",
          "architecture"
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          "bull's eye",
          "bullseye"
        ],
        [
          "oculus",
          "oculus"
        ]
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        "(architecture) bull's eye, oculus"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "architecture"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/œj.də.bœf/"
    },
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        }
      ],
      "text": "→ English: œil-de-bœuf"
    }
  ],
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    {
      "form": "œils-de-bœuf",
      "tags": [
        "plural"
      ]
    }
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    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
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      "examples": [
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              50,
              62
            ]
          ],
          "ref": "1892, Jules Renard, L'écornifleur:",
          "text": "Je travaillais, comme toujours, en regardant par l’œil-de-bœuf la danse des flots de la mer. C’est ma petite pénitence de chaque matin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "bull's eye, oculus"
      ],
      "links": [
        [
          "architecture",
          "architecture"
        ],
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          "bull's eye",
          "bullseye"
        ],
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          "oculus",
          "oculus"
        ]
      ],
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      ],
      "tags": [
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      ],
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        "architecture"
      ]
    }
  ],
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    },
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  "word": "œil-de-bœuf"
}