Emily Dickinson Lexicon

HOP'PER, n. [See Hop.]

1. One who hops, or leaps on one leg.
2. Properly, a wooden trough or shoe through which grain passes into a mill; so named from its moving or shaking. But we give the name to a box or frame of boards, which receives the grain before it passes into the trough, and also to a similar box which receives apples for conducting them into a mill.
3. A vessel in which seed-corn is carried for sowing. Encyc.