Main Entry: azure

Pronunciation: \ˈa-zhər\

Function: noun

Etymology: Middle English asur, from Anglo-French azeure, probably from Old Spanish, modification of Arabic lāzaward, from Persian lāzhuward

Date: 14th century

1 archaic : lapis lazuli
2 a : the blue color of the clear sky b : the heraldic color blue
3 : the unclouded sky

— azure adjective