[1] : The Collaborative International Dictionary of English v.0.48

orris \or"ris\, n. prob. corrupted from it. ireos iris. see
   iris. bot.
   a plant of the genus iris iris florentina; a kind of
   flower-de-luce. its rootstock has an odor resembling that of
   violets.
   1913 webster

   orris pea med., an issue pea made from orris root.

   orris root, the fragrant rootstock of the orris.
      1913 webster
see also:
iris iris florentina orris pea orris root 

Orris Root >> O Words
Orris Root, definition of term: Orris Root
orris+root_pag1.html

Root >> R Words
Root, definition of term: Root
root_pag1.html

Orris >> O Words
Orris, definition of term: Orris
orris_pag1.html

Go Root >> G Words
Go Root, definition of term: Go Root
go+root_pag1.html

Prop Root >> P Words
Prop Root, definition of term: Prop Root
prop+root_pag1.html

Primary Root >> P Words
Primary Root, definition of term: Primary Root
primary+root_pag1.html

Mandrake Root >> M Words
Mandrake Root, definition of term: Mandrake Root
mandrake+root_pag1.html

Cube Root >> C Words
Cube Root, definition of term: Cube Root
cube+root_pag1.html