Any one of a number of plants with daisylike, button shaped flowers of the genus Centaurea, especially the species Centaurea cyanus.
A button which may be attached to clothing without resorting to needle and thread.
Any of several blue flowering plants, especially cornflower, Centaurea cyanus, and plants of the genus Scabiosa.
A blue Australian parrot, especially Northiella haematogaster.
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.