noun
streamer; decorative hanging strips
A decoration consisting of multiple long strips of cloth or paper attached to a circular frame, often seen at festivals or as traditional ornaments.
こいのぼりの一番上には吹き流しがついている。
A streamer is attached at the top of the carp streamer set.
空港の吹き流しが強い風で水平になっている。
The windsock at the airport is horizontal in the strong wind.
Compound of 吹き (fuki, continuative form of 吹く 'to blow') + 流し (nagashi, continuative form of 流す 'to flow, to let stream'). The word literally means 'blowing and streaming'.