cornflower

Short definition from Wiktionary

Noun

1. 1
   A small annual plant in the family Asteraceae, Centaurea cyanus, usually with bushy blue flowers which grows natively in European cornfields (i.e. wheatfields).
2. 2
   A plant of the species Cichorium intybus.
3. 3
   A color, cornflower blue.

Adjective

1. 1
   Synonym of cornflower blue, a shade of blue similar to that of the usual cornflower.