topper in WordNet English dictionary

1. a man's hat with a tall crown; usually covered with silk or with beaver fur
   dress hat  high hat  opera hat  silk hat  stovepipe  top hat  topper  beaver 
   
2. the person who is most outstanding or excellent; someone who tops all others
   "he could beat the best of them"
   best  topper 
   
3. a woman's short coat
   topper 
   
4. an exceedingly good witticism that surpasses all that have gone before
   topper 
   
5. a worker who cuts tops off (of trees or vegetables etc.)
   topper 
   
6. a worker who makes or adds the top to something
   topper 
   

topper in English Wiktionary