Definition of "Orris" :
noun: fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines
noun: German iris having large white flowers with lavender-tinged falls and a fragrant rhizome
noun: fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines
noun: German iris having large white flowers with lavender-tinged falls and a fragrant rhizome