Feathering n. : Same as Foliation.

Feathering n. : The act of turning the blade of the oar, as it rises from the water in rowing, from a vertical to a horizontal position. See To feather an oar, under Feather, v. t.

Feathering v. t. : A covering of feathers.

Example:
What does "Feathering" when it comes to whelping puppies?

Taxonomy
clone tool, computer graphics software, blend, edges, skin blemish, free encyclopedia, Paintbrush, paintbrush tool, search, Unsourced, blur, fine feathers, commonly used, airbrush, spraypaint, brush, added features, add a leaf.

Defination from the web:
Feathering may also blend the edges of a selected feature into the background of the image. When composing an image from pieces of other images, feathering helps make added features look "in place" with the background image. ...