"infraclasse" meaning in Italien

{
  "categories": [
    {
      "kind": "other",
      "name": "Dérivations en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en italien préfixés avec infra-",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Taxinomie:Rangs taxinomiques en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Italien",
      "orig": "italien",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Motdérivé de ordine, avec le préfixe infra-."
  ],
  "forms": [
    {
      "form": "infraclassi",
      "ipas": [
        "\\in.fra.ˈklas.si\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en italien de la biologie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en italien",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Infraclasse."
      ],
      "id": "fr-infraclasse-it-noun-oQjOskSh",
      "topics": [
        "biology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\in.fra.ˈklas.se\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "infraclasse"
}

{
  "categories": [
    "Dérivations en italien",
    "Lemmes en italien",
    "Mots en italien préfixés avec infra-",
    "Noms communs en italien",
    "Taxinomie:Rangs taxinomiques en italien",
    "italien"
  ],
  "etymology_texts": [
    "Motdérivé de ordine, avec le préfixe infra-."
  ],
  "forms": [
    {
      "form": "infraclassi",
      "ipas": [
        "\\in.fra.ˈklas.si\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en italien de la biologie",
        "Wiktionnaire:Exemples manquants en italien"
      ],
      "glosses": [
        "Infraclasse."
      ],
      "topics": [
        "biology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\in.fra.ˈklas.se\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "infraclasse"
}