Flail | Mean of flail in English Dictionary

/ˈfleɪl/

• Verb
• to move or swing your arms or legs in a wild and uncontrolled way
1. They were flailing their arms to drive away the insects.
2. The wounded animal lay on the ground, flailing helplessly.
3. He was wildly flailing about/around on the dance floor.
4. He flailed away at the ball. [=he swung wildly at the ball]
• to strike or hit (something or someone) in a wild and uncontrolled way
1. The bird's wings flailed the water.
• Noun
• a long-handled tool that was used in the past for beating wheat so that the grain would become separated from the wheat