1) A tree with two trunks growing from a single root.
2) A planting method in which two trees are grown adjacent to each other. They are said to represent a married couple or the intimacy between a man and a woman. Sometimes they are planted a little bit apart
Japanese Garden Dictionary: A Glossary for Japanese Gardens and Their History
(C) 2010 by Ono Kenkichi and Walter Edwards. All rights reserved.