swipple

noun

The part of a flail that is free to swing, and which strikes the grain in threshing.

The swipple of the flail swung back and forth.

意味（1）

The part of a flail that is free to swing, and which strikes the grain in threshing.

The flail has now become such a rare agricultural implement that it is well to bear in mind that its two main parts were the handstaff and swipple.