cerulean (noun) /səˈɹuːli.ən/
1
(countable and uncountable, color) A greenish-blue color.
2
(countable) Any of various lycaenid butterflies of the genus Jamides.
cerulean (adjective) /səˈɹuːli.ən/
1
Sky-blue.
(countable and uncountable, color) A greenish-blue color.
(countable) Any of various lycaenid butterflies of the genus Jamides.
Sky-blue.