What does "feathered" mean?

Feathered: Furnished with anything featherlike; ornamented; fringed; as, land feathered with trees.

Additional senses

  1. 2.(Zoöl.) Having a fringe of feathers, as the legs of certian birds; or of hairs, as the legs of a setter dog.
  2. 3.(Her.) Having feathers; -- said of an arrow, when the feathers are of a tincture different from that of the shaft.

Sources