cerulean

[ suh-roo-lee-uh n ]
/ səˈru li ən /

adjective, noun

deep blue; sky blue; azure.
Heraldry. a sky-blue tincture, used especially on the Continent.

Origin of cerulean

1660–70; < Latin caerule(us) dark blue, azure (akin to caelum sky) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cerulean

British Dictionary definitions for cerulean

cerulean

/ (sɪˈruːlɪən) /

noun

  1. a deep blue colour; azure
  2. (as adjective)a cerulean sea

Word Origin for cerulean

C17: from Latin caeruleus, probably from caelum sky
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012