"Hippoglossus" meaning in Conventions internationales

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en conventions internationales issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms scientifiques",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Conventions internationales",
      "orig": "conventions internationales",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(1816) Du grec ancien, composé de ἵππος, híppos et de γλῶσσα, glôssa, littéralement « langue de cheval »."
  ],
  "hypernyms": [
    {
      "word": "Pleuronectidae"
    }
  ],
  "hyponyms": [
    {
      "word": "Hippoglossus hippoglossus"
    },
    {
      "word": "Hippoglossus stenolepis"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Hippoglossus"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Poissons en conventions internationales",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Flétan, hippoglosse."
      ],
      "id": "fr-Hippoglossus-conv-name-AtPNa12W",
      "topics": [
        "ichthyology"
      ]
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Hippoglossus"
}

{
  "categories": [
    "Mots en conventions internationales issus d’un mot en grec ancien",
    "Noms scientifiques",
    "conventions internationales"
  ],
  "etymology_texts": [
    "(1816) Du grec ancien, composé de ἵππος, híppos et de γλῶσσα, glôssa, littéralement « langue de cheval »."
  ],
  "hypernyms": [
    {
      "word": "Pleuronectidae"
    }
  ],
  "hyponyms": [
    {
      "word": "Hippoglossus hippoglossus"
    },
    {
      "word": "Hippoglossus stenolepis"
    }
  ],
  "lang": "Conventions internationales",
  "lang_code": "conv",
  "pos": "name",
  "pos_title": "Nom scientifique",
  "raw_tags": [
    "Hippoglossus"
  ],
  "senses": [
    {
      "categories": [
        "Poissons en conventions internationales"
      ],
      "glosses": [
        "Flétan, hippoglosse."
      ],
      "topics": [
        "ichthyology"
      ]
    }
  ],
  "tags": [
    "scientific"
  ],
  "word": "Hippoglossus"
}