princess

Concise Oxford English Dictionary © 2008 Oxford University Press:
princess/prɪnˈses/

▶noun

• 1 a daughter, granddaughter, or other close female relative of a monarch.

  ■ the wife or widow of a prince.

  ■ a female monarch of a small state, actually or nominally subject to a king or emperor.

• 2 (princess of/among) a woman or thing pre-eminent in a particular sphere or group.

• 3 N. Amer. a spoilt or arrogant young woman.

– phrases
princess of the blood a princess by right of royal descent.

– origin ME: from OFr. princesse.