The hotel’s crowning glory was a stunning roof garden.crowningcrown‧ing /ˈkraʊnɪŋ/ adjective [always before noun] 
The hotel’s crowning glory was a stunning roof garden. his crowning achievement
EXAMPLES FROM THE CORPUS
- But the crowning glory of the book is Richard's unspeakable wife, Cordelia.
- But, the crowning glory of the building is the new conference suite which the architects created on the existing flat roof.
- Roth's crowning achievement was the editorship of the Encyclopaedia Judaica, which he held from 1965.
- Then comes the crowning glory of Frank's act, as he peels off his raincoat to reveal a smart suit underneath.
- This is the crowning glory of Van Gogh's maize and corn fields.
COLLOCATIONS FROM THE ENTRY The hotel’s crowning glory was a stunning roof garden. his crowning achievementCOLLOCATIONS FROM OTHER ENTRIES
used to describe something that makes something complete or perfect, or is the best feature of something: The hotel’s crowning glory was a stunning roof garden. his crowning achievement (=the best of several impressive achievements)· Her appointment to the Paris post was the crowning achievement of her life.
COLLOCATIONS FROM THE CORPUSNOUN· This is the crowning glory of Van Gogh's maize and corn fields.· But the crowning glory of the book is Richard's unspeakable wife, Cordelia.· Then comes the crowning glory of Frank's act, as he peels off his raincoat to reveal a smart suit underneath.· But, the crowning glory of the building is the new conference suite which the architects created on the existing flat roof.
The hotel’s crowning glory was a stunning roof garden. his crowning achievement