noun

• A resinous substance, dry and brittle, obtained from Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume.
• (organic chemistry) An aromatic hydroxy ketone, 2-hydroxy-1,2-di(phenyl)ethanone, synthesized from benzaldehyde; any derivative of this compound.
• The spicebush, Lindera benzoin.