Source : Webster's Revised Unabridged Dictionary (1913)

Bookmaker \Book"mak`er\, n.
   1. One who writes and publishes books; especially, one who
      gathers his materials from other books; a compiler.

   2. (Horse Racing) A betting man who ``makes a book.'' See {To
      make a book}, under {Book}, n.

Source : WordNet®

bookmaker
     n 1: a maker of books; someone who edits or publishes or binds
          books
     2: a gambler who accepts and pays off bets (especially on horse
        races) [syn: {bookie}]