Source : Webster's Revised Unabridged Dictionary (1913)

Lieutenancy \Lieu*ten"an*cy\ (l[-u]*t[e^]n"an*s[y^]; 277), n.
   1. The office, rank, or commission, of a lieutenant.

   2. The body of lieutenants or subordinates. [Obs.]

            The list of the lieutenancy of our metropolis.
                                                  --Felton.

Source : WordNet®

lieutenancy
     n : the position of a lieutenant