FEATHERING
the plumage of a bird or part of a bird.
the action of varying the angle of propellers, rotor blades, or oars so as to reduce air or water resistance.
the spreading and separation of ink, lipstick, etc. into tiny lines after application
the action of varying the angle of propellers, rotor blades, or oars so as to reduce air or water resistance.
the spreading and separation of ink, lipstick, etc. into tiny lines after application