Source : Webster's Revised Unabridged Dictionary (1913)

Delegacy \Del`e*ga*cy\, n. [From {Delegate}, a.]
   1. The act of delegating, or state of being delegated;
      deputed power. [Obs.]

            By way of delegacy or grand commission. --Sir W.
                                                  Raleigh.

   2. A body of delegates or commissioners; a delegation. [Obs.]
      --Burton.

Source : WordNet®

delegacy
     n 1: the state of serving as an official and authorized delegate
          or agent [syn: {representation}, {agency}]
     2: a group of representatives or delegates [syn: {deputation},
        {commission}, {delegation}, {mission}]
     3: the appointment of a delegate