"Arachnida" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms scientifiques",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Mot créé par Georges Cuvier en 1812, du grec ancien ἀράχνη, arachné, « araignée »."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "senses": [
    {
      "glosses": [
        "Arachnides"
      ],
      "id": "fr-Arachnida-conv-name-KYFH4LnP"
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Arachnida"
}

{
  "categories": [
    "Noms scientifiques",
    "conventions internationales"
  ],
  "etymology_texts": [
    "Mot créé par Georges Cuvier en 1812, du grec ancien ἀράχνη, arachné, « araignée »."
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "senses": [
    {
      "glosses": [
        "Arachnides"
      ]
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Arachnida"
}