mastich

MAS'TICH, n. [L. mastiche.]

1. A resin exuding from the mastic-tree, a species of Pistacia, and obtained by incision. It is in white farinaceous tears, of a faint smell, and is used as an astringent and an aromatic. It is used also as an ingredient in drying varnishes.

2. A kind of mortar or cement.