Ce*ru"le*an (?), a. [L. caeruleus.] Sky-colored; blue; azure. Cowper.

Blue, blue, as if that sky let fall

A flower from its cerulean wall.
Bryant.

• (colour) a deep blue colour, like the sky on a fine day.
       cerulean colour:   
  
• (colour) of a deep blue colour, like the sky on a fine day.