what does dieu et mon droit mean
noun. God and my right (the motto of the British monarch). Example sentences. 1  The motto of the British monarch's coat of arms, Dieu et mon droit, could equally have served as the catchphrase of the Late Babylonian and Achaemenid kings.xample sentences. 1  The motto of the British monarch's coat of arms, Dieu et mon droit, could equally have served as the catchphrase of the Late Babylonian and Achaemenid kings.