Noun: orris or-us or ór-is [N. Amer], ó-ris [Brit]
- German iris having large white flowers with lavender-tinged falls and a fragrant rhizome
"The perfumer extracted essence from the orris rhizomes";
- Florentine iris, Iris germanica florentina, Iris florentina
- Fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines
"orris was a key ingredient in many vintage perfume formulations";
- orrisroot
Derived forms: orrises
Type of: bearded iris, root
Encyclopedia: Orris, Peter