1Either of two plants of the genus Lunaria, the annual L. annua and the perennial L. rediviva, which have flattened seed pods with a silvery sheen on the inner membrane. Compare "satin", white satin .
Also called honesty.
2Any of several stitchworts having white flowers; especially the greater stitchwort, Stellaria holostea.
3Any of several blue-eyed grasses of (or formerly included in) the genus Sisyrinchium; especially Olsynium douglasii, which is native to western North America and has purple bell-shaped flowers.
4 rare In full "crimson satin flower". The firecracker flower, Dichelostemma ida-maia, which has clusters of red and white tubular flowers.
5Any of various herbaceous plants of the genus Clarkia (formerly Godetia), frequently cultivated in gardens for their large, cup-shaped, satiny flowers; especially C. amoena, which typically has pink or purple flowers.
Late 16th century; earliest use found in John Gerard (c1545–1612), herbalist. From satin + flower.