Definition of 交ぜ書き (まぜがき)
まが
                        交ぜ書き
まぜがき
mazegaki
noun
•
                
writing some characters (esp. complex kanji) of a compound as kana instead of kanji(e.g. しょう油, 宝くじ)
Other readings:
                混ぜ書き【まぜがき】
                Related Kanji
| 交 | mingle, mixing, association, coming & going | 
| 書 | write | 
| 混 | mix, blend, confuse |