Source : Webster's Revised Unabridged Dictionary (1913)

Moonlit \Moon"lit`\, a.
   Illumined by the moon. ``The moonlit sea.'' --Moore.
   ``Moonlit dells.'' --Lowell.

Source : WordNet®

moonlit
     adj : lighted by moonlight; "the moonlit landscape" [syn: {moony}]
           [ant: {moonless}]