|1.||an implement used for threshing grain, consisting of a wooden handle with a free-swinging metal or wooden bar attached to it|
|2.||a weapon so shaped used in the Middle Ages|
|3.||(tr) to beat or thrash with or as if with a flail|
|4.||to move or be moved like a flail; thresh about: with arms flailing|
|[C12 fleil, ultimately from Late Latin flagellum flail, from Latin: whip]|
v. flailed, flail·ing, flails
To move vigorously or erratically; thrash about.
To strike or lash out violently.