"鍛練" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語_名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語_名詞_サ変動詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "たんれん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "金属を練り鍛えること。"
      ],
      "id": "ja-鍛練-ja-noun-KU96r0se"
    },
    {
      "glosses": [
        "心身を鍛え、技能をみがくこと。"
      ],
      "id": "ja-鍛練-ja-noun-dbTsCAt8"
    }
  ],
  "word": "鍛練"
}

{
  "categories": [
    "日本語",
    "日本語_名詞",
    "日本語_名詞_サ変動詞"
  ],
  "forms": [
    {
      "form": "たんれん"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "glosses": [
        "金属を練り鍛えること。"
      ]
    },
    {
      "glosses": [
        "心身を鍛え、技能をみがくこと。"
      ]
    }
  ],
  "word": "鍛練"
}