Orris \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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Orris \Or"ris\, n.

1. [Contr. from orfrays, or from arras.]

A sort of gold or silver lace. --Johnson.

2. A peculiar 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.

Source: Webster's Revised Unabridged Dictionary (1913)