|  Lit. 
	  growing together. The technique of planting two trees so that they grow 
	  together. Variations include: the same kind of tree, one tree large and 
	  the other small; different but related trees, such as black pine, kuromatsu 
	  黒松, and red pine, akamatsu 赤松; and completely different kinds of 
	  trees. Related to the aioi technique is the practice of training 
	  the trunks of a single tree to grow so that they appear to be two different 
	  trees that are growing together. |