Source : Webster's Revised Unabridged Dictionary (1913)

Fo \Fo\, n.
   The Chinese name of Buddha.

Source : WordNet®

FO
     n : an officer holding the rank of major or lieutenant colonel
         or colonel [syn: {field-grade officer}, {field officer}]

Source : Free On-Line Dictionary of Computing

fo
     
         The {country code} for the Faroe Islands.
     
        (1999-01-27)