Flog, v. t. [imp. & p. p. Flogged; p. pr. & vb. n. Flogging.]
Etymology: [Cf. Scot. fleg blow, stroke, kick, AS. flocan to strike, or perh. fr. L. flagellare to whip. Cf. Flagellate.]
To beat or strike with a rod or whip; to whip; to lash; to chastise with repeated blows.
Shades of meaning
Fernald has no entry of its own for flog; he lists it under beat.
He lists it without comment; the entries above explain its neighbors.