>A center of attraction or attention
>One that serves to direct or guide
Ancient mariners noted that all the stars in the heavens seem to revolve around a particular star, and they relied on it to guide their navigation. The constellation that this bright star appears in is known to English speakers today as Ursa Minor, or the Little Dipper, but the Ancient Greeks called it Kynosoura, a term that comes from a phrase meaning “dog’s tail.” Kynosoura passed into Latin and Middle French, becoming cynosure
>His rapidly increasing wealth has made him a cynosure in political circles.
>That company is the cynosure for anyone wishing to make it in the music business