Definition of mea culpa exclamation from the Oxford Advanced Learner's Dictionary


mea culpa

BrE BrE//ˌmeɪə ˈkʊlpə//
; NAmE NAmE//ˌmeɪə ˈkʊlpə//
(from Latin, often humorous)
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used when you are admitting that something is your fault Word OriginLatin, ‘by my fault’.
See the Oxford Advanced American Dictionary entry: mea culpa