pruner

noun

1. a worker who thins out and trims trees and shrubs

   noun.person

   Examples

   Untouched by the pruner's axe.

   Synonyms trimmer

   Source: WordNet 3.0

2. a long-handled pruning saw with a curved blade at the end and sometimes a clipper; used to prune small trees

   noun.artifact

   Synonyms lopper pruning hook

   Source: WordNet 3.0

3. One who prunes, or removes, what is superfluous.

   noun

   Source: webster1913