A European herb, Swertia perennis (star swertia), of the gentian family. / Any member of any species in genus Swertia. / Any member of any species in the tribe Gentianeae

a needle-sharp steel tool for incising into plates in etching and the production of dry points.

plural of squillionaire

(biology) Any of various primitive light-sensitive organs or regions in many diverse organisms. / An eye-like marking on the tail of a peacock or the wing of a butterfly.