"教科" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "教科書"
    }
  ],
  "etymology_texts": [
    "De 教, kyō (« enseigner ») et de 科, ka (« section »)."
  ],
  "forms": [
    {
      "form": "きょうか",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "kyōka",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en japonais de l’éducation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Matière, cours."
      ],
      "id": "fr-教科-ja-noun--mWCepAS",
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\kʲoː.ka\\"
    }
  ],
  "word": "教科"
}

{
  "categories": [
    "Noms communs en japonais",
    "japonais"
  ],
  "derived": [
    {
      "word": "教科書"
    }
  ],
  "etymology_texts": [
    "De 教, kyō (« enseigner ») et de 科, ka (« section »)."
  ],
  "forms": [
    {
      "form": "きょうか",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "kyōka",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en japonais de l’éducation"
      ],
      "glosses": [
        "Matière, cours."
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\kʲoː.ka\\"
    }
  ],
  "word": "教科"
}