Nouns

(n)toppera worker who makes or adds the top to something
(n)toppera worker who cuts tops off (of trees or vegetables etc.)
(n)best, topperthe person who is most outstanding or excellent; someone who tops all others“he could beat the best of them”
(n)topperan exceedingly good witticism that surpasses all that have gone before
(n)toppera woman's short coat
(n)dress hat, high hat, opera hat, silk hat, stovepipe, top hat, topper, beavera man's hat with a tall crown; usually covered with silk or with beaver fur