A water basin placed adjacent to the veranda or sunokoen (a platform extending from the veranda toward the water basin, made of widely spaced boards for good drainage) of a shoin style residence. It is set about 30-40 cm above the veranda surface so that one can easily wash one's hands.
Japanese Garden Dictionary: A Glossary for Japanese Gardens and Their History
(C) 2010 by Ono Kenkichi and Walter Edwards. All rights reserved.