Définitions
1.NounAny of several different plants, from several genera, having bluish flowers.
Centaurea, a plant genus in the family Asteraceae
Several plant genera in the family Rubiaceae, notably Houstonia and Oldenlandiopsis.
2.NounCentaurea, a plant genus in the family Asteraceae
3.NounSeveral plant genera in the family Rubiaceae, notably Houstonia and Oldenlandiopsis.
4.NounAny of several small damselfly species, including the genera Coenagrion and Enallagma.
5.NounA kind of blue woolen cloth.