A blue Australian parrot, especially Northiella haematogaster.
Any of several blue flowering plants, especially cornflower, Centaurea cyanus, and plants of the genus Scabiosa.
A traditional flat Scottish hat made of blue wool; a blue tam-o'-shanter.
Someone who wears such a hat; a Scotsman, especially a Scottish soldier.
Any of several North American species of Lupinus common in the southwestern US, especially Lupinus texensis and Lupinus subcarnosus.
A blue bunting of North America, Passerina cyanea.