The definition of a lecher is a person who has a large or disgusting interest in sexual activity.
(noun)An example of a lecher is someone who constantly needs to have sex.
See lecher in Webster's New World College Dictionary
noun
Origin: ME lechoure < OFr lecheur < lechier, to live a debauched life, lit., lick < Frank *lekkon, akin to Ger lecken, to lick
See lecher in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old French lecheor
Origin: , from lechier, to lick, to live in debauchery
Origin: , of Germanic origin; see leigh- in Indo-European roots
.Learn more about lecher