"au vol" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "it",
        "2": "al volo"
      },
      "expansion": "Italian al volo",
      "name": "cog"
    }
  ],
  "etymology_text": "Compare Italian al volo.",
  "head_templates": [
    {
      "args": {},
      "expansion": "au vol",
      "name": "fr-adv"
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  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "78 22",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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        {
          "_dis": "85 15",
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          "source": "w+disamb"
        },
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          "_dis": "99 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
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      ],
      "examples": [
        {
          "english": "to catch something as it flies past",
          "text": "attraper quelque chose au vol",
          "type": "example"
        }
      ],
      "glosses": [
        "while an object is still moving through the air, in flight"
      ],
      "id": "en-au_vol-fr-adv-38WhIK7B",
      "links": [
        [
          "in flight",
          "in flight"
        ]
      ],
      "related": [
        {
          "_dis1": "66 34",
          "word": "à la volée"
        },
        {
          "_dis1": "66 34",
          "word": "saisir la balle au bond"
        }
      ]
    },
    {
      "glosses": [
        "on the fly"
      ],
      "id": "en-au_vol-fr-adv-PVDBTHhN",
      "links": [
        [
          "on the fly",
          "on the fly"
        ]
      ],
      "raw_glosses": [
        "(figuratively) on the fly"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o vɔl/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-au vol.wav",
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    {
      "audio": "LL-Q150 (fra)-WikiLucas00-au vol.wav",
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    }
  ],
  "word": "au vol"
}

{
  "categories": [
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    "French entries with incorrect language header",
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    "French multiword terms",
    "French terms with IPA pronunciation",
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  "etymology_templates": [
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        "2": "al volo"
      },
      "expansion": "Italian al volo",
      "name": "cog"
    }
  ],
  "etymology_text": "Compare Italian al volo.",
  "head_templates": [
    {
      "args": {},
      "expansion": "au vol",
      "name": "fr-adv"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adv",
  "related": [
    {
      "word": "à la volée"
    },
    {
      "word": "saisir la balle au bond"
    }
  ],
  "senses": [
    {
      "categories": [
        "French terms with usage examples"
      ],
      "examples": [
        {
          "english": "to catch something as it flies past",
          "text": "attraper quelque chose au vol",
          "type": "example"
        }
      ],
      "glosses": [
        "while an object is still moving through the air, in flight"
      ],
      "links": [
        [
          "in flight",
          "in flight"
        ]
      ]
    },
    {
      "glosses": [
        "on the fly"
      ],
      "links": [
        [
          "on the fly",
          "on the fly"
        ]
      ],
      "raw_glosses": [
        "(figuratively) on the fly"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/o vɔl/"
    },
    {
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  "word": "au vol"
}