A famous beauty of the Yue state during the Spring and Autumn period who was sent by King Goujian to the King of Wu

(literary) A metaphor for fallen flowers, often used in classical poetry.

A general term or metaphor for a woman of supreme beauty, as in the idiom 情人眼里出西施 qíng​rén​yǎn​lǐ​chū​xī​shī