Definition of mea culpa exclamation from the Oxford Advanced American Dictionary

 

mea culpa

 exclamation
exclamation
NAmE//ˌmeɪə ˈkʊlpə//
 
(from Latin)(often humorous)
 
jump to other results
used when you are admitting that something is your fault
See the Oxford Advanced Learner's Dictionary entry: mea culpa