From The Collaborative International Dictionary of English v.0.48 :
deckle-edged \dec"kle-edged`\ deckled \dec"kled\, a.
having a rough edge; having a deckle edge; -- used of
handmade paper or paper resembling handmade; as, deckle-edged
paper; a deckle-edged book.
Syn: featheredged.
[Webster 1913 Suppl. + WordNet 1.5]