culler

/ˈkʌlər/
noun
  1. A person or thing that selects or removes something from a group, especially to eliminate the weakest or unwanted ones.
    • The software acts as a culler, filtering out spam emails before they reach your inbox.
    • As a culler of rare books, she knew exactly which volumes were worth keeping.
    • The culler at the factory inspected each apple and removed the bruised ones.
Antonyms
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