Definition of "pruner"

pruner

noun
plural pruners
1. A person who prunes.
2. A tool used for pruning, especially a pair of pruning shears.
  Quotations
  [A] handheld pruner helps to sever the seedstalk quickly and efficiently.
  2013 June 4, Tom Seymour, Nuts and Berries of New England: Tips and Recipes for Gatherers from Maine to the Adirondacks to Long Island Sound, Rowman & Littlefield, page 19
3. Any of several unrelated beetles whose larvae attack the branches of trees.