What is "golden thread"

n. low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers [syn: goldthread, Coptis groenlandica, Coptis trifolia groenlandica]

Golden thread may refer to:

• Golden thread (law), a legal judgement famous for iterating the duty inherent on the Prosecution to prove the prisoner's guilt beyond a reasonable doubt
• The Golden Thread, the second book in the three-book novel A Tale of Two Cities
• Golden Thread (fish), a fish popular and eaten mostly in Asian countries.