0 (especially of arms and legs) to move energetically in an uncontrolled way:
1 a tool consisting of a rod that hangs from a long handle, used especially in the past for threshing grain
2 to wave something, esp. arms or legs, energetically but with little or no control:
With flails and staves, the player can string together long sequences of attacks.
The companies do their work with 681 metal detectors, 55 mine rollers and mine flails, and 15 mine-detection dogs.
If tied down, the victim's flailing might pull his/her arms from their sockets.
Current mine flails do not operate effectively on a gradient greater than 30% or on ground that is especially dry or boggy.
Mine flails can be unreliable and require spare parts that are difficult to obtain in remote regions.
They can be observed tumbling around and flailing their legs in an effort to right themselves.
He stripped his clothes and flailed through the underbrush, for about half an hour.
There are also proprietary flails with different shapes for shredding larger brush and others that leave a smooth, finish cut.