Azure Definition

ăzhər

noun

A bright blue, as of a clear sky.

American Heritage

Sky blue or any similar blue color.

Webster's New World

The color blue.

American Heritage

The blue sky.

Webster's New World

(heraldry) A blue colour on a coat of arms, represented in engraving by horizontal parallel lines.

Wiktionary

Synonyms:

adjective

Of or like the color of a clear sky; sky-blue.

Webster's New World

Sky-blue; resembling the clear blue colour of the unclouded sky; cerulean; also, cloudless.

Wiktionary

(heraldry) In blazon, of the colour blue.

Wiktionary

Synonyms:

verb

Wiktionary

Origin of Azure

Old French azur, derived from Arabic لازوَرْد (lāzaward, “lapis lazuli”), dropping the l as if it were equivalent to the French article l'. The Arabic is from Persian لاجورد (lâjvard, “lapis lazuli”), from the region of Lajward in Turkestan.

From Wiktionary
Middle English from Old French azur from Medieval Latin azura from Arabic al-lāzaward the azure al- the lāzaward azure (from Persian lāzhuward lapis lazuli)

From American Heritage Dictionary of the English Language, 5th Edition
Compare with Italian azzurro and Spanish azul.

From Wiktionary