n. [ L. flagellum whip, scourge, in LL., a threshing flail: cf. OF. flael, flaiel, F. fléau. See Flagellum. ]
His shadowy flail hath threshed the corn. Milton. [ 1913 Webster ]
No citizen thought himself safe unless he carried under his coat a small flail, loaded with lead, to brain the Popish assassins. Macaulay. [ 1913 Webster ]
a. Acting like a flail. [ Obs. ] Vicars. [ 1913 Webster ]