Japanese

水干 (suikan): a participant wearing a suikan in the Jidai Matsuri in Kyoto.

Noun

水干 ‎(hiragana すいかん, romaji suikan)

1. cloth that has been stretched and dried using only water and no starch
2. an informal garment worn by males of the Japanese nobility in the Heian period, originally made from such cloth
3. the edge of the water, the shoreline, the waterside

References

1. ↑ 1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
2. 1 2 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, ISBN 4-385-13905-9