"boulon" meaning in French

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "it",
            "2": "bullone",
            "bor": "1"
          },
          "expansion": "→ Italian: bullone",
          "name": "desc"
        }
      ],
      "text": "→ Italian: bullone"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "vi",
            "2": "bu lông",
            "bor": "1"
          },
          "expansion": "→ Vietnamese: bu lông",
          "name": "desc"
        }
      ],
      "text": "→ Vietnamese: bu lông"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "boule",
        "3": "-on"
      },
      "expansion": "boule + -on",
      "name": "af"
    }
  ],
  "etymology_text": "From boule + -on.",
  "forms": [
    {
      "form": "boulons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "boulon m (plural boulons)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms suffixed with -on",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "to bolt (on); to work hard",
          "word": "boulonner"
        },
        {
          "english": "to unbolt; to remove from office",
          "word": "déboulonner"
        }
      ],
      "glosses": [
        "bolt (metal fastener)"
      ],
      "id": "en-boulon-fr-noun-GY0nyNjX",
      "links": [
        [
          "bolt",
          "bolt"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "fr:boulon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bu.lɔ̃/"
    },
    {
      "homophone": "boulons"
    },
    {
      "audio": "LL-Q150 (fra)-Pamputt-boulon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/85/LL-Q150_%28fra%29-Pamputt-boulon.wav/LL-Q150_%28fra%29-Pamputt-boulon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/85/LL-Q150_%28fra%29-Pamputt-boulon.wav/LL-Q150_%28fra%29-Pamputt-boulon.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "boulon"
}

{
  "derived": [
    {
      "english": "to bolt (on); to work hard",
      "word": "boulonner"
    },
    {
      "english": "to unbolt; to remove from office",
      "word": "déboulonner"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "it",
            "2": "bullone",
            "bor": "1"
          },
          "expansion": "→ Italian: bullone",
          "name": "desc"
        }
      ],
      "text": "→ Italian: bullone"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "vi",
            "2": "bu lông",
            "bor": "1"
          },
          "expansion": "→ Vietnamese: bu lông",
          "name": "desc"
        }
      ],
      "text": "→ Vietnamese: bu lông"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "boule",
        "3": "-on"
      },
      "expansion": "boule + -on",
      "name": "af"
    }
  ],
  "etymology_text": "From boule + -on.",
  "forms": [
    {
      "form": "boulons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "boulon m (plural boulons)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 2-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French nouns",
        "French terms suffixed with -on",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with homophones"
      ],
      "glosses": [
        "bolt (metal fastener)"
      ],
      "links": [
        [
          "bolt",
          "bolt"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "fr:boulon"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bu.lɔ̃/"
    },
    {
      "homophone": "boulons"
    },
    {
      "audio": "LL-Q150 (fra)-Pamputt-boulon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/85/LL-Q150_%28fra%29-Pamputt-boulon.wav/LL-Q150_%28fra%29-Pamputt-boulon.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/85/LL-Q150_%28fra%29-Pamputt-boulon.wav/LL-Q150_%28fra%29-Pamputt-boulon.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "boulon"
}