What is Featheredge?

Featheredge definition and meaning on Dictionary terms:
an edge that thins out like a feather.
the thinner edge of a wedge-shaped board or plank.
a tool for giving a smooth, even finish to plasterwork at corners.
(in silver work) a band of closely spaced oblique lines engraved along an edge of a piece.


reference: https://www.dictionary.com/browse/featheredge