'orris' definitions:
Definition of 'orris'
(from WordNet)
noun
German iris having large white flowers with lavender-tinged falls and a fragrant rhizome [syn: Florentine iris, orris, Iris germanica florentina, Iris florentina]
noun
Fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines [syn: orrisroot, orris]