Source : Webster's Revised Unabridged Dictionary (1913)

Polling \Poll"ing\, n. [See {Poll} the head.]
   1. The act of topping, lopping, or cropping, as trees or
      hedges.

   2. Plunder, or extortion. [Obs.] --E. Hall.

   3. The act of voting, or of registering a vote.

   {Polling booth}, a temporary structure where the voting at an
      election is done; a polling place.

Source : WordNet®

polling booth
     n : a temporary booth in a polling place which people enter to
         cast their votes