Source : Webster's Revised Unabridged Dictionary (1913)

Benzoin \Ben*zoin"\ (b[e^]n*zoin"), n. [Cf. F. benjoin, Sp.
   benjui, Pg. beijoin; all fr. Ar. lub[=a]n-j[=a]w[=i] incense
   form Sumatra (named Java in Arabic), the first syllable being
   lost. Cf. {Benjamin}.]

   Note: [Called also {benjamin}.]
   1. A resinous substance, dry and brittle, obtained from the
      {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.

   2. A white crystalline substance, {C14H12O2}, obtained from
      benzoic aldehyde and some other sources.

   3. (Bot.) The spicebush ({Lindera benzoin}).

   {Flowers of benzoin}, benzoic acid. See under {Benzoic}.

Source : WordNet®

benzoin
     n 1: gum resin used especially in treating skin irritation [syn:
          {gum benzoin}, {benjamin}, {gum benjamin}, {asa dulcis}]
     2: used in some classifications for the American spicebush and
        certain other plants often included in the genus Lindera
        [syn: {genus Benzoin}]