princess royal

noun

1. the eldest daughter of a king or queen.

2. (in Great Britain and, formerly, Prussia) an eldest princess to whom this title has been granted for life by the sovereign.

princess royal

noun

1. the eldest daughter of a British or (formerly) a Prussian sovereign: a title not always conferred

2. (capitals) the title of Princess Anne

Word History and Origins

Origin of princess royal¹

First recorded in 1640–50