crown jewel(redirected from a crown jewel)
1. A precious jewel that is part of or featured on a monarch's or sovereign's regalia. Just one crown jewel from the Queen's regalia is worth enough money to buy a small country.
2. An asset or possession prized as being the best of a group of similar things. This vintage 1965 Corvette Stingray is the crown jewel of my car collection. The works of Shakespeare are the crown jewels of English drama.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.