The unclouded sky; the blue vault above.
The clear blue colour of the sky; also, a pigment or dye of this colour.
azure
azure (heraldry)
Any of various widely distributed lycaenid butterflies of the genus Celastrina.
Lapis lazuli.
Any of various Australasian lycaenid butterflies of the genus Ogyris.
A blue colour on a coat of arms, represented in engraving by horizontal parallel lines.
To colour blue.
sky blue; resembling the clear blue colour of the unclouded sky
cloudless
In blazon, of the colour blue.
An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.
the figure of the universe as an imaginary sphere whose center is the Earth