stacksorter
nounUK /ˈstækˌsɔːtə/
US /ˈstækˌsɔːrtər/
A stacksorter is a machine or person that puts things into neat piles by type.
The stacksorter at the library put all the returned books into the right piles.
OTHER MEANINGS
2. A computer program that arranges data into ordered groups.
The stacksorter organized the files by date.
3. A toy that helps kids practice putting shapes into matching stacks.
My little brother played with the stacksorter for an hour.
4. A worker whose job is to arrange items into stacks.
The stacksorter in the warehouse kept the boxes tidy.