What is the meaning of Feathered?

Covered with feathers.

Having the blades of oars or propellers parallel to the direction of motion.

Having a finely bevelled edge.

Badly beaten.

Having a specific type or number of feathers.

Swift, like the flight of a feathered creature.

Covered or adorned with something, as if with feathers.

simple past and past participle of feather

Source: wiktionary.org