
1) Arborist, at times 2) Bonsai gardener 3) Hedge clipper 4) Hedge worker 5) Landscaping tool 6) One shaping a rosebush 7) One who might barber a bush 8) Tool for trimming trees 9) Topiary worker 10) Tree surgeon, at times 11) Tree surgeon, often 12) Tree-trimming tool 13) Trimmer 14) Trimming tool 
Found on 
https://www.crosswordclues.com/clue/pruner

1) Lopper 2) Trimmer 
Found on 
https://www.crosswordclues.com/clue/pruner

• (n.) One who prunes, or removes, what is superfluous. • (n.) Any one of several species of beetles whose larvae gnaw the branches of trees so as to cause them to fall, especially the American oak pruner (Asemum moestum), whose larva eats the pith of oak branches, and when mature gnaws a circular furrow on the inside nearly to the bark. ...
Found on 
http://thinkexist.com/dictionary/meaning/pruner/

1. One who prunes, or removes, what is superfluous. ... 2. <zoology> Any one of several species of beetles whose larvae gnaw the branches of trees so as to cause them to fall, especially the American oak pruner (Asemum moestum), whose larva eats the pith of oak branches, and when mature gnaws a circular furrow on the inside nearly to the bark...
Found on 
http://www.encyclo.co.uk/local/20973
 Prun'er  noun   1.
Prun'er  noun   1.  One who prunes, or removes, what is superfluous.  
 2.  (Zoology) Any one of several species of beetles whose larvæ gnaw the branches of trees so as to cause them to fall, especially the American oak pruner (
 Asemum mœstum ), whose larva eats the pith of...
Found on 
http://www.encyclo.co.uk/webster/P/185

[
n] - a worker who thins out and trims trees and shrubs 2. [n] - a long-handled edge tool with a curved blade at the end and sometimes a clipper
Found on 
http://www.webdictionary.co.uk/definition.php?query=pruner
 pruning hook noun
pruning hook noun a long-handled pruning saw with a curved blade at the end and sometimes a clipper; used to prune small trees
Found on 
https://www.encyclo.co.uk/local/20974
  No exact match found.