Definition of 大博打 (おおばくち)
おおばくち
                        大博打
おおばくち
oobakuchi
noun
•
                
risky speculation, big gamble, large bet
Other readings:
                大博奕【おおばくち】
                Related Kanji
| 大 | large, big | 
| 博 | Dr., command, esteem, win acclaim, Ph.D., exposition, fair | 
| 打 | strike, hit, knock, pound, dozen | 
| 奕 | large |