San"da*rach, San"da*rac, (), n. [L. sandaraca, Gr. .]
1. Min.
Realgar; red sulphide of arsenic.
[Archaic]
2. Bot. Chem.
A white or yellow resin obtained from a Barbary tree (Callitris quadrivalvis or Thuya articulata), and pulverized for pounce; -- probably so called from a resemblance to the mineral.
© Webster 1913.