Source : Webster's Revised Unabridged Dictionary (1913)

Financier \Fin`an*cier"\ (?; 277), n. [Cf. F. financier.]
   1. One charged with the administration of finance; an officer
      who administers the public revenue; a treasurer. --Burke.

   2. One skilled in financial operations; one acquainted with
      money matters.

Financier \Fin`an*cier"\, v. i. [imp. & p. p. {Financiered}; p.
   pr. & vb. n. {Financiering}.]
   To conduct financial operations.

Source : WordNet®

financier
     n : a person skilled in large scale financial transactions [syn:
          {moneyman}]
     v : conduct financial operations, often in an unethical manner