delation UK /dɪˈleɪʃn̩/US /diˈleɪʃn̩/ noun2 •An accusation or charge brought against someone, especially by an informer; the act of accusing someone.Some curious circumstances respecting delation, prison life, and autos da fe are here minutely recorded. — 1858 •(no longer used) Conveyance. formsdelations