Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Any of various perennial herbs of the genus Sisyrinchium native to the Americas, having grasslike leaves and small blue, white, or yellow flowers.
(Plants) any of various mainly North American iridaceous marsh plants of the genus Sisyrinchium that have grasslike leaves and small flat starlike blue flowers
any of numerous plants belonging to the genus Sisyrinchium, of the iris family, having grasslike leaves and small, usu. blue flowers.