cerulean (EN)
noun, adjective

noun “cerulean”

sg. cerulean, pl. ceruleans or uncountable
  1. a greenish-blue color
    The artist chose a shade of cerulean to paint the tranquil sea on her canvas.
  2. a type of butterfly from the genus Jamides
    During our hike, we spotted a cerulean flitting among the wildflowers.

adjective “cerulean”

cerulean
  1. the color of the sky on a clear day
    She wore a cerulean dress that matched the color of the clear summer sky.