Source : Webster's Revised Unabridged Dictionary (1913)

Laugher \Laugh"er\, n.
   1. One who laughs.

   2. A variety of the domestic pigeon.

Source : WordNet®

laugher
     n 1: a person who is laughing or who laughs easily
     2: an easy victory [syn: {runaway}, {blowout}, {romp}, {shoo-in},
         {walkaway}]