One that tops, in any sense of the verb; specif.:
(a)
A cover of a top layer or part. (Colloq.)
(b)
One that excels, surpasses, or is extraordinary of its kind. (Slang)
(c)
Any device for cutting off tops; as, a turnip topper.
(d)
One who tops steel ingots.
(e)
A three-square float (file) used by comb makers.
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