Definition of oche noun from the Oxford Advanced Learner's Dictionary

 

oche

 noun
noun
BrE BrE//ˈɒki//
 
; NAmE NAmE//ˈɑːki//
 
[singular]
 
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the line which players must stand behind in the game of darts Word Origin 1930s: perhaps related to Old French ocher ‘cut a deep notch in’.