Source : Webster's Revised Unabridged Dictionary (1913)

Pale \Pale\, v. i. [imp. & p. p. {Paled}; p. pr. & vb. n.
   {Paling}.]
   To turn pale; to lose color or luster. --Whittier.

         Apt to pale at a trodden worm.           --Mrs.
                                                  Browning.

Paling \Pal"ing\, n.
   1. Pales, in general; a fence formed with pales or pickets; a
      limit; an inclosure.

            They moved within the paling of order and decorum.
                                                  --De Quincey.

   2. The act of placing pales or stripes on cloth; also, the
      stripes themselves. [Obs.] --Chaucer.

   {Paling board}, one of the slabs sawed from the sides of a
      log to fit it to be sawed into boards. [Eng.]

Source : WordNet®

paling
     n : a fence made of upright pickets [syn: {picket fence}]