azure

adjective

• bright blue in colour like a cloudless sky: thin streaks of cloud trailed across an azure sky white beaches surrounded by azure seas the adult male’s back and flanks are azure blue
• Heraldry blue: [postpositive]:a saltire azure

noun

• 1 [mass noun] a bright blue colour: a flash of azure drew my eye to a kingfisher the azure of the sky
• literary the clear sky.

• 2a small butterfly which is typically blue or purplish.

  • Celastrina and other genera, family Lycaenidae