Meaning of Royal Highness

Roy'al High'ness

Pronunciation: [key]
  1. (in England)
    1. a title used prior to 1917 and designating a brother, sister, child, grandchild, aunt, or uncle belonging to the male line of the royal family.
    2. a title used since 1917 and designating a child or grandchild of the sovereign.
    3. any person given this title by the Crown.
  2. (in other countries) a person who is a member of a royal family.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.