Hopper (particulate collection container)
WordNet
noun
(1) (baseball) a hit that travels along the ground
(2) Terrestrial plant-eating insect with hind legs adapted for leaping
(3) Funnel-shaped receptacle; contents pass by gravity into a receptacle below
(4) A machine used for picking hops
(5) Someone who hops
"At hopscotch, the best hoppers are the children"