Definition of "flail" in English

noun

1. A tool used for threshing, consisting of a long handle (handstock) with a shorter stick (swipple or swingle) attached with a short piece of chain, thong or similar material.

2. A weapon which has the (usually spherical) striking part attached to the handle with a flexible joint such as a chain.

3. (often plural) Part of a rotating device, often used for cutting vegetation.

verb

1. (transitive) To beat using a flail or similar implement.

2. (transitive) To wave or swing vigorously

3. (transitive) To thresh.

4. (intransitive) To move like a flail.

   • He was flailing wildly, but didn't land a blow.