Wiktionary
n. the heiress apparent to the throne in a royal or imperial monarchy
WordNet
n. the wife of a crown prince
a female heir apparent to a throne
Usage examples of "crown princess".
The cross bore the snarling image of a treecat (rumor said that then-Crown Princess Adrienne's own 'cat, Dianchect, had sat as the model), and eleven people had won it in the two hundred and fifty T-years since it was created.
The Crown Princess of Shad was tending her garden when Kirk found her.
Kirk watched the old warrior, now stooped with age but with a strong and steady step as he led the Crown Princess to the center of the pulpit stage.
The cross bore the snarling image of a treecat (rumor said that then-Crown Princess Adrienne’.
Moreover, the crown princess had come a long way since those dark days, and learned much.
When your aunt Haramis was Crown Princess of Ruwenda, before she became the White Lady and before the Two Thrones were united, her hand was sought by the evil King Voltrik of Labornok.
Dalanous, the governor of the Nowhere District, was a minor courtier who was given the assignment when Norivas crown princess began to take a proprietary interest in where he slept and with whom.