The Collaborative International Dictionary of English v.0.48:

Lechery \Lech"er*y\, n. [OE. lecherie, OF. lecherie. See
   Lecher.]
   1. Free indulgence of lust; excessive indulgence in sexual
      relations; -- used mostly of men.
      [1913 Webster]

   2. Selfish pleasure; delight. [Obs.] --Massinger.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lechery
    n 1: unrestrained indulgence in sexual activity

Moby Thesaurus II by Grady Ward, 1.0:

42 Moby Thesaurus words for "lechery":
   animality, bawdiness, carnality, clitoromania, concupiscence,
   dirtiness, eroticism, eroticomania, erotomania, fleshliness,
   furor uterinus, goatishness, gynecomania, horniness, hysteromania,
   lady-killing, lasciviousness, lecherousness, lewdness,
   libidinousness, licentiousness, lickerishness, lubriciousness,
   lubricity, lust, lustfulness, nymphomania, obscenity, philander,
   philandering, prurience, pruriency, randiness, salaciousness,
   salacity, satyriasis, satyrism, sensuality, sexiness, sexuality,
   unchastity, uteromania