Definition of hara-kiri noun from the Oxford Advanced Learner's Dictionary

 

hara-kiri

 noun
noun
BrE BrE//ˌhærə ˈkɪri//
 
; NAmE NAmE//ˌherə ˈkeri//
 
[uncountable](from Japanese)
 
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an act of killing yourself by cutting open your stomach with a sword, performed especially by the samurai in Japan in the past, to avoid losing honour Word Origin mid 19th cent.: colloquial Japanese, from hara ‘belly’ + kiri ‘cutting’.
See the Oxford Advanced American Dictionary entry: hara-kiri