1) Originally referring to an antiquated or desolate appearance, as the notion emerged in medieval times that such a condition can induce a sense of tranquility, it became artistic term denoting a worn, weathered beauty.
2) An antique quality given garden stones by weathering.
Japanese Garden Dictionary: A Glossary for Japanese Gardens and Their History
(C) 2010 by Ono Kenkichi and Walter Edwards. All rights reserved.