资料来源 : pyDict

国王;君主

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rex \Rex\, n.; pl. {Reges}. [L.]
   A king.

   {To play rex}, to play the king; to domineer. [Obs.]

资料来源 : Free On-Line Dictionary of Computing

REX
     
        The original name for {Restructured EXtended eXecutor}.