Definition of peccavimus in US English:



  • Used to acknowledge guilt or responsibility (on the part of more than one person) for an error.


Early 17th century; earliest use found in William Watson (?1559–1603), Roman Catholic priest and conspirator. From classical Latin peccāvimus we have done wrong, in post-classical Latin also ‘we have sinned’, first plural perfect of peccāre to do wrong.