noun

1. a person or thing that hops
2. any hopping insect, esp. a grasshopper

3. Etymology: so called from making material “hop”

   a box, tank, rail car, etc., often funnel-shaped, from which the contents can be emptied slowly and evenly the hopper of an automatic coal stoker
4. ☆ a freight car with a bottom that opens to unload freight
   in full hopper car
5. a box into which legislative bills are dropped for introduction, assignment to committees, etc.: often used figuratively

Etymology: ME hoppere