fenny adjective1. 
['fɛni] OE.[from FEN noun1 + -Y1.]1.  Of the nature of a fen; boggy, swampy. 
OE.Watsonia Crowinstown Lake..has a fenny margin..but is becoming acid on the west side.b. Muddy, dirty. 
OE-M17.2.  Inhabiting, growing, or produced in a fen. Now only of plants. 
M16.■ Shakespeare Macbeth Fillet of a fenny snake, In the cauldron boil and bake.  [TahlilGaran] English Dictionary ▲