A Sensu or Ogi (folding fan) is an implement used to move air by hand like Uchiwa fans, and its frame is several dozens of wooden strips tied together with thread at their ends (kaname referred to as pivot), and when used, a Sensu or Ogi is widely unfolded and waved back and forth to create a cooling airflow.
扇子（せんす）・扇（おうぎ）とは、うちわと同じく自分の手で風を送るのに用いる道具であり、数本から数十本の細長い骨組みを束ねて端の一点（要＝かなめ）で固定し、使用時には開いて可動できる。