"fenêtre de lancement" meaning in French

{
  "forms": [
    {
      "form": "fenêtres de lancement",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "fenêtre de lancement f (plural fenêtres de lancement)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Astronautics",
          "orig": "fr:Astronautics",
          "parents": [
            "Applied sciences",
            "Space",
            "Sciences",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "launch window"
      ],
      "id": "en-fenêtre_de_lancement-fr-noun-2SwaBARj",
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "launch window",
          "launch window"
        ]
      ],
      "raw_glosses": [
        "(astronautics) launch window"
      ],
      "synonyms": [
        {
          "word": "fenêtre de tir"
        }
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fə.nɛ.tʁə d(ə) lɑ̃s.mɑ̃/"
    },
    {
      "ipa": "/fə.ne.tʁə d(ə) lɑ̃s.mɑ̃/"
    }
  ],
  "word": "fenêtre de lancement"
}

{
  "forms": [
    {
      "form": "fenêtres de lancement",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "fenêtre de lancement f (plural fenêtres de lancement)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Astronautics"
      ],
      "glosses": [
        "launch window"
      ],
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "launch window",
          "launch window"
        ]
      ],
      "raw_glosses": [
        "(astronautics) launch window"
      ],
      "synonyms": [
        {
          "word": "fenêtre de tir"
        }
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/fə.nɛ.tʁə d(ə) lɑ̃s.mɑ̃/"
    },
    {
      "ipa": "/fə.ne.tʁə d(ə) lɑ̃s.mɑ̃/"
    }
  ],
  "word": "fenêtre de lancement"
}