(bound form) a traditional Chinese zither decorated with beautiful patterns, historically described as having fifty strings

(literary) youth or the prime of life, often used to refer to one's golden years; usually appears in the phrase 锦瑟年华 jǐn​sè​nián​huá

(literary) the title of a famous and cryptic poem by the Tang dynasty poet 李商隐 lǐ​shāng​yǐn