Or″ris (?), n. [Prob. corrupted from It. ireos iris. See Iris.] (Bot.) A plant of the genus Iris (I. Florentina); a kind of flower-de-luce. Its rootstock has an odor resembling that of violets.
Orris pea(Med.), an issue pea made from orris root. — Orris root, the fragrant rootstock of the orris.