The rough or untrimmed edge of the leaf, untrimmed by the binder.

Untrimmed page edges which result from the actual mould used for making paper. In books with such page edges, the printing is done on a sheet of paper only large enough for two leaves or four pages (two each of recto and verso pages) with a single fold at the binding

The feathered edges of a sheet caused where the pulp thins towards the edge of the deckle frame.