Source : Webster's Revised Unabridged Dictionary (1913)

Forename \Fore"name`\, n.
   A name that precedes the family name or surname; a first
   name. --Selden.

Forename \Fore"name`\, v. t.
   To name or mention before. --Shak.

Source : WordNet®

forename
     n : the name that precedes the surname [syn: {first name}, {given
         name}]