Any one of a number of similar complex resins obtained from the bark of several trees and shrubs of the Styrax family. The most common of these is liquid storax, a brown or gray semifluid substance of an agreeable aromatic odor and balsamic taste, sometimes used in perfumery, and in medicine as an expectorant. [1913 Webster]
, n.
1 a a fragrant resin, obtained from the tree Styrax officinalis and formerly used in perfume. b this tree.
2 (in full Levant or liquid storax) a balsam obtained from the tree Liquidambar orientalis.