The Collaborative International Dictionary of English v.0.48:

Feather-edged \Feath"er-edged`\, a.
   Having a feather-edge; also, having one edge thinner than the
   other, as a board; -- in the United States, said only of
   stuff one edge of which is made as thin as practicable.
   [1913 Webster]

WordNet (r) 3.0 (2006):

featheredged
    adj 1: having a rough edge; used of handmade paper or paper
           resembling handmade [syn: deckled, deckle-edged,
           featheredged]