sorter

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a clerk who sorts things (as letters at the post office)
• Derivationally related forms:
sort
• Hypernyms:
clerk
2. a machine for sorting things (such as punched cards or letters) into classes
• Derivationally related forms:
sort
• Hypernyms:
machine
• Hyponyms:
mailsorter