Source : WordNet®

typeface
     n : a specific size and style of type within a type family [syn:
          {font}, {fount}, {face}]

Source : Free On-Line Dictionary of Computing

typeface
     
         The style or design of a {font}.  Other independent
        parameters are size, boldness (thickness of lines), and
        obliqueness (a sheer transformation applied to the characters,
        not to be confused with a specifically designed italic font).
     
        (1996-08-02)