"faire d'une pierre deux coups" meaning in French

{
  "forms": [
    {
      "form": "faire d’ une pierre deux coups",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "faire d’une pierre deux coups",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "I might as well kill two birds with one stone and drop off my tax forms while I'm at the mall for the computer part I need.",
          "text": "Autant faire d’une pierre deux coups et déposer mes feuilles d’impôts pendant que je suis au centre commercial pour la pièce d’ordinateur dont j’ai besoin.",
          "type": "example"
        }
      ],
      "glosses": [
        "to kill two birds with one stone"
      ],
      "id": "en-faire_d'une_pierre_deux_coups-fr-verb-ajYogflh",
      "links": [
        [
          "kill two birds with one stone",
          "kill two birds with one stone"
        ]
      ],
      "related": [
        {
          "word": "joindre l’utile à l’agréable"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɛʁ d‿yn pjɛʁ dø ku/"
    }
  ],
  "word": "faire d'une pierre deux coups"
}

{
  "forms": [
    {
      "form": "faire d’ une pierre deux coups",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "faire d’une pierre deux coups",
      "name": "fr-verb"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "verb",
  "related": [
    {
      "word": "joindre l’utile à l’agréable"
    }
  ],
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French idioms",
        "French lemmas",
        "French multiword terms",
        "French terms with IPA pronunciation",
        "French terms with usage examples",
        "French verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "I might as well kill two birds with one stone and drop off my tax forms while I'm at the mall for the computer part I need.",
          "text": "Autant faire d’une pierre deux coups et déposer mes feuilles d’impôts pendant que je suis au centre commercial pour la pièce d’ordinateur dont j’ai besoin.",
          "type": "example"
        }
      ],
      "glosses": [
        "to kill two birds with one stone"
      ],
      "links": [
        [
          "kill two birds with one stone",
          "kill two birds with one stone"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fɛʁ d‿yn pjɛʁ dø ku/"
    }
  ],
  "word": "faire d'une pierre deux coups"
}