Any of several irises that have a fragrant root, especially Iris × germanica.
The fragrant root of such an iris.
1998, Claire Kowalchik, William H. Hylton, Orris, entry in Rodale′s Illustrated Encyclopedia of Herbs, page 406,
Orris is the part of the florentine iris you don′t see — the rhizome. […] The ancient Egyptians and Greeks learned that the bland-smelling orris root would take on a remarkable fragrance if dried for at least two years.
noun
A type of gold or silver lace.
A pattern in which gold lace or silver lace is worked, especially one in which the edges are ornamented with conical figures placed at equal distances, with spots between them.