"Ère secondaire" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en kotava",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Voir ère et secondaire."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "name",
  "pos_title": "Nom propre",
  "related": [
    {
      "word": "Ère primaire"
    },
    {
      "word": "Ère quaternaire"
    },
    {
      "word": "Ère tertiaire"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes vieillis en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ancienne appellation du Mésozoïque, deuxième ère des temps géologiques depuis l’apparition des trilobites."
      ],
      "id": "fr-Ère_secondaire-fr-name-eq4~ZYVR",
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛʁ sə.ɡɔ̃.dɛʁ\\"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "dated"
      ],
      "word": "Ère des Reptiles"
    },
    {
      "word": "Mésozoïque"
    },
    {
      "tags": [
        "dated"
      ],
      "word": "Secondaire"
    }
  ],
  "tags": [
    "feminine",
    "invariable"
  ],
  "translations": [
    {
      "lang": "Kotava",
      "lang_code": "avk",
      "word": "toleugal"
    }
  ],
  "word": "Ère secondaire"
}

{
  "categories": [
    "Noms propres en français",
    "Traductions en kotava",
    "français"
  ],
  "etymology_texts": [
    "Voir ère et secondaire."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "name",
  "pos_title": "Nom propre",
  "related": [
    {
      "word": "Ère primaire"
    },
    {
      "word": "Ère quaternaire"
    },
    {
      "word": "Ère tertiaire"
    }
  ],
  "senses": [
    {
      "categories": [
        "Termes vieillis en français"
      ],
      "glosses": [
        "Ancienne appellation du Mésozoïque, deuxième ère des temps géologiques depuis l’apparition des trilobites."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛʁ sə.ɡɔ̃.dɛʁ\\"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "dated"
      ],
      "word": "Ère des Reptiles"
    },
    {
      "word": "Mésozoïque"
    },
    {
      "tags": [
        "dated"
      ],
      "word": "Secondaire"
    }
  ],
  "tags": [
    "feminine",
    "invariable"
  ],
  "translations": [
    {
      "lang": "Kotava",
      "lang_code": "avk",
      "word": "toleugal"
    }
  ],
  "word": "Ère secondaire"
}