布风扇
Punka \Pun"ka\, n. [Hind. pankh[=a] fan.] A machine for fanning a room, usually a movable fanlike frame covered with canvas, and suspended from the ceiling. It is kept in motion by pulling a cord. [Hindostan] [Written also {punkah}.] --Malcom.
punkah n : a large fan consisting of a frame covered with canvas that is suspended from the ceiling; used in India for circulating air in a room