The Collaborative International Dictionary of English v.0.48:

Fledge \Fledge\, v. t. & i. [imp. & p. p. Fledged; p. pr. &
   vb. n. Fledging.]
   1. To furnish with feathers; to supply with the feathers
      necessary for flight.
      [1913 Webster]

            The birds were not as yet fledged enough to shift
            for themselves.                       --L'Estrange.
      [1913 Webster]

   2. To furnish or adorn with any soft covering.
      [1913 Webster]

            Your master, whose chin is not yet fledged. --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

fledged \fledged\ adj.
   1. having developed feathers or plumage; often used in
      combination; -- of birds. [Narrower terms:
      fledgling(prenominal), fledgeling(prenominal)]
      unfledged

   Syn: mature.
        [WordNet 1.5]

   2. equipped with feathers; -- of an arrow.

   Syn: vaned.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

fledged
    adj 1: (of birds) having developed feathers or plumage; often
           used in combination [syn: fledged, mature] [ant:
           immature, unfledged]
    2: (of an arrow) equipped with feathers [syn: fledged,
       vaned]