Source : Webster's Revised Unabridged Dictionary (1913)

Ferny \Fern"y\, a.
   Abounding in ferns.

Source : WordNet®

ferny
     adj 1: abounding in or covered with ferns; "the ferny undergrowth"
            [syn: {ferned}] [ant: {fernless}]
     2: resembling ferns especially in leaf shape; "the ferny
        shadows of locust leaves" [syn: {fernlike}]