azure UK /ˈæʒə/US /ˈæʒɚ/noun 6adjective 3verb 1forms 3 noun6 •The clear blue colour of the sky; also, a pigment or dye of this colour.In robes of azure. — 1815 •A blue colour on a coat of arms, represented in engraving by horizontal parallel lines.Berington of Chester (on the authority of Harleian manuscript No. 1535) is said to bear a plain shield of azure. Personally I doubt this coat of arms […] — 1904 •(literary) The unclouded sky; the blue vault above.Not like those steps / On heaven's azure. — 1667 •Any of various widely distributed lycaenid butterflies of the genus Celastrina. •Any of various Australasian lycaenid butterflies of the genus Ogyris. •Lapis lazuli. adjective3 •Sky blue; resembling the clear blue colour of the unclouded sky.When Britain first, at Heaven's command / Arose from out the azure main. — 1740 •In blazon, of the colour blue.‘I forget your coat of arms.’ ‘A human foot d’or, in a field azure; the foot crushes a serpent rampant whose fangs are imbedded in the heel.’ — 1846 •Cloudless. verb1 •To colour blue.Our readers are aware that much of the sugar sold in many countries goes through an azuring treatment; blue is added to granulated sugar with the view of making it appear whiter than it actually is. — 1907 formsazured · azuring · azures