noun
beautiful maiden; beauty
Literary or poetic term for a beautiful young woman; not used in everyday conversation.
物語に登場する美姫は、多くの若者の憧れの的だった。
The beautiful maiden in the tale was admired by many young people.
美女 is the common, neutral word for a beautiful woman, while 美姫 is a more literary, elegant, and slightly old-fashioned term.
Compound of 美 (beauty) and 姫 (princess, young noblewoman). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of a beautiful young woman.