The Collaborative International Dictionary of English v.0.48:
Lecherous \Lech"er*ous\, a. Like a lecher; addicted to lewdness; excessively lustful; -- used mostly of men; also, lust-provoking. "A lecherous thing is wine." --Chaucer. -- Lech"er*ous*ly, adv. -- Lech"er*ous*ness, n. [1913 Webster]