Compound of 鹿 (shishi, “deer”) + 威し (odoshi, “threat”). shishi originally meant "beast" and included other types of animals. The device was originally used to scare away animals.
鹿威し (hiragana ししおどし, rōmaji shishiodoshi)
- a device used to scare away birds and animals
- a traditional device found in Japanese gardens, composed of a bamboo tube that when filled with water revolves to empty and makes a clanking sound
- (bamboo tube gathering and emptying water): 添水 (sōzu)