"OST" meaning in Français

{
  "anagrams": [
    {
      "word": "ots"
    },
    {
      "word": "sot"
    },
    {
      "word": "sõt"
    },
    {
      "word": "STO"
    },
    {
      "word": "TOS"
    },
    {
      "word": "tos"
    },
    {
      "word": "tôs"
    },
    {
      "word": "TSO"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots au singulier uniquement en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sigles en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Sigle) Composé d’initiales d’organisation scientifique du travail.",
    "(Sigle) De opération sur titre.",
    "(Sigle) De l'anglais original soundtrack."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "O.S.T."
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français du management",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Organisation scientifique du travail."
      ],
      "id": "fr-OST-fr-noun-t80qBnq4",
      "topics": [
        "management"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la finance",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Opération sur titre."
      ],
      "id": "fr-OST-fr-noun-vKZClJpU",
      "topics": [
        "finance"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la musique",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Morceau tiré d'un jeu vidéo, d'un film ou d'un animé."
      ],
      "id": "fr-OST-fr-noun-FWbEXGcV",
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\o.ɛs.te\\"
    },
    {
      "audio": "LL-Q150 (fra)-Jérémy-Günther-Heinz Jähnick-OST.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav.ogg",
      "raw_tags": [
        "Somain (France)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-Jérémy-Günther-Heinz Jähnick-OST.wav"
    }
  ],
  "tags": [
    "feminine",
    "singular-only"
  ],
  "word": "OST"
}

{
  "anagrams": [
    {
      "word": "ots"
    },
    {
      "word": "sot"
    },
    {
      "word": "sõt"
    },
    {
      "word": "STO"
    },
    {
      "word": "TOS"
    },
    {
      "word": "tos"
    },
    {
      "word": "tôs"
    },
    {
      "word": "TSO"
    }
  ],
  "categories": [
    "Lemmes en français",
    "Mots au singulier uniquement en français",
    "Noms communs en français",
    "Sigles en français",
    "français"
  ],
  "etymology_texts": [
    "(Sigle) Composé d’initiales d’organisation scientifique du travail.",
    "(Sigle) De opération sur titre.",
    "(Sigle) De l'anglais original soundtrack."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "O.S.T."
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en français du management"
      ],
      "glosses": [
        "Organisation scientifique du travail."
      ],
      "topics": [
        "management"
      ]
    },
    {
      "categories": [
        "Lexique en français de la finance"
      ],
      "glosses": [
        "Opération sur titre."
      ],
      "topics": [
        "finance"
      ]
    },
    {
      "categories": [
        "Lexique en français de la musique"
      ],
      "glosses": [
        "Morceau tiré d'un jeu vidéo, d'un film ou d'un animé."
      ],
      "topics": [
        "music"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\o.ɛs.te\\"
    },
    {
      "audio": "LL-Q150 (fra)-Jérémy-Günther-Heinz Jähnick-OST.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c2/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav/LL-Q150_(fra)-Jérémy-Günther-Heinz_Jähnick-OST.wav.ogg",
      "raw_tags": [
        "Somain (France)"
      ],
      "wav_url": "https://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150 (fra)-Jérémy-Günther-Heinz Jähnick-OST.wav"
    }
  ],
  "tags": [
    "feminine",
    "singular-only"
  ],
  "word": "OST"
}