I. ˈlech noun
( -es )
Etymology: Middle English lache, leche stream flowing through boggy land, bog (attested in place names), from Old English læcc, lecc, from leccan to wet, moisten — more at leak
dialect Britain : a muddy ditch or pool : bog , swamp
II. noun
( -es )
Etymology: perhaps back-formation from letcher, alteration of lecher
: craving
full of politics and a letch for fishing — W.A.White
specifically : sexual desire
develops a letch for an attractive Circassian lady — Anthony West