Examples from the Web for arborist
An arboret is a little tree; an arborist, or arbortor, is one who studies or cultivates trees.
The handling of shade trees such as we have in our city streets is the work of an arborist.
The art of caring for trees is called arboriculture, and one who devotes himself to it an arborist.Special Days and their Observance|Anonymous
British Dictionary definitions for arborist
Word Origin and History for arborist
1570s, from Latin arbor "tree," of unknown origin, + -ist. In early use probably from French arboriste.