Source : Webster's Revised Unabridged Dictionary (1913)

Lechery \Lech"er*y\, n. [OE. lecherie, OF. lecherie. See
   {Lecher}.]
   1. Free indulgence of lust; lewdness.

   2. Selfish pleasure; delight. [Obs.] --Massinger.

Source : WordNet®

lechery
     n : unrestrained indulgence in sexual activity