Source : Webster's Revised Unabridged Dictionary (1913)

Braky \Brak"y\, a.
   Full of brakes; abounding with brambles, shrubs, or ferns;
   rough; thorny.

         In the woods and braky glens.            --W. Browne.

Source : WordNet®

braky
     adj 1: covered with brambles and ferns and other undergrowth [syn:
            {brambly}]
     2: abounding with bracken; "the woods and braky glens"- William
        Browne