Answer: featheredge

AnswerCrossword Clue
featheredgetool for giving a smooth, even finish to plasterwork at corners
featheredge(in silver work) a band of closely spaced oblique lines engraved along an edge of a piece
featheredgean edge of a board or plank thinner than the other edge / to provide with feathered edge
featheredgeedge that thins out like a feather
featheredgethe thinner edge of a wedge-shaped board or plank