Definition of Fidei Defensor in English:

Fidei Defensor

noun

  • Latin term for Defender of the Faith
    • ‘Fidei Defensor, literally Defender of the Faith, is an inscription which is found on most British coinage.’
    • ‘The titles of honour granted by the Pope do not seem to have caused much trouble, such titles as the English king's title Fidei Defensor.’

Origin

Latin.

Pronunciation:

Fidei Defensor

/ˌfʌɪdɪʌɪ dɪˈfɛnsɔː//ˌfiːdeɪiː/