All 4 Uses

azure
in
The Once and Future King
(Auto-generated)

The silk pavilions of famous people, pitched on every side, were azure and green and saffron and chequered.†
Book 1 *

azure = sky-blue
It was of azure sarsenet, hand-embroidered in gold thread with the numerous small fleur-de-lis of ancient France.†
Book 3
He was a thin wisp of a fellow, so fair-haired that he was almost an albino: and his bright eyes were so blue, so palely azure in their faded depths, that you could not see into them.†
Book 3
The latter, because he lived by raiding during the night-time, would have borne a moon and stars on azure in his coat.†
Book 4

Definitions:

(1) (azure)
a shade of blue similar to that of the sky on a clear sunny day
(2) (meaning too rare to warrant focus)
Azure is also the name of an important cloud-computing service operated by Microsoft, and a rare given name.