/ɑrˈɛt/ or /ˈɑːrɛt/ (AHR-et) - an informal pronunciation, /ˈɑrɛt/ (AR-et) - a more traditional pronunciation

Definitions

1. noun

a royal title, specifically a title of respect for members of some royal families, particularly in British culture, such as the Prince of Wales, Prince Charles, as HRH The Prince of Wales.

“The news article referred to the royal couple as HRH The Duke and Duchess of Cambridge.”