Feathering

[Sonia]

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.

[Merna]

Feathering in Mountain Biking. Advanced technique of applying brakes, that slows the rider down rather than bringing the rider to a complete stop. Enables a good rider to maintain the maximum speed through difficult terrain.

[Mary Mallozziberg]

The plumage of a bird or part of a bird.

[Sarah]

present participle of feather