Definition of 大事故 (だいじこ)
だいじこ
                        大事故
だいじこ
daijiko
noun
•
        
serious accident, major incident
Related Kanji
| 大 | large, big | 
| 事 | matter, thing, fact, business, reason, possibly | 
| 故 | happenstance, especially, intentionally, reason, cause, circumstances, the late, therefore, consequently |