Welcome to the ISA Dictionary online!
Please note: the Online Dictionary is no longer being updated as of October 2019.
The International Dictionary is an online directory
of arboricultural terms with definitions and translation in many languages. Simply type in a word, choose a
language, and our online dictionary provides the correct translation.
The Online International Dictionary is a tool for facilitating continuing education, as well as expanding
outreach and networking possibilities for our members worldwide. Whether you want to learn how to say “tree” in
German, or “tree biology” in Portuguese, take advantage of this valuable tool to participate in an international