arrow wheel; decorative windmill on a carp streamer pole
A traditional ornament: a small windmill attached to the top of a 鯉のぼり (carp streamer) pole, often seen during Children's Day (May 5th).
See also: 鯉のぼり
An arrow wheel is spinning at the top of the carp streamer pole.
Roger's bronze leaf
Standard kanji spelling for this decorative windmill.
Compound of 矢 (arrow) and 車 (wheel), referring to the arrow-like spokes of the windmill.