the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to regalia; pertaining to the royal insignia or prerogatives.
The Century Dictionary and Cyclopedia
Pertaining to a king or suzerain; regal; sovereign; belonging to the regalia.
Word Usage
"Burgundian lands regained by marriage (1156) with Beatrice, heiress of the county of Burgundy; purchase of lands from the Welfs in Swabia and Italy; exploitation of regalian rights."