Source : Webster's Revised Unabridged Dictionary (1913)

Dormancy \Dor"man*cy\, n. [From {Dormant}.]
   The state of being dormant; quiescence; abeyance.

Source : WordNet®

dormancy
     n 1: a state of quiet (but possibly temporary) inaction; "the
          volcano erupted after centuries of dormancy" [syn: {quiescence},
           {quiescency}]
     2: quiet and inactive restfulness [syn: {quiescence}, {quiescency},
         {sleeping}]