Definition of delator in US English:

delator

noun

archaic
  • See delate

    • ‘They knew of people called delators who made a living out of accusing people before the authorities.’
    • ‘They loathe policemen and suffer from a fear of being considered delators.’
    • ‘During the Empire professional delators were many because of the monetary rewards that awaited a winner.’
    • ‘He punished the delators; reduced the privileges of the praetorians, and reformed the law courts.’
    • ‘The country will swarm with informers, spies, delators and all the odious reptile tribe that breed in the sunshine of a despotic power.’

Pronunciation

delator

/dəˈleɪdər//dəˈlādər/