Flagellate \Flag"el*late\, v. t. [imp. & p. p. Flagellated; p. pr. & vb. n. Flagellating.]

[L. flagellatus, p. p. of flagellare to scoure, fr. flagellum whip, dim. of flagrum whip, scoure; cf. fligere to strike. Cf. Flall.]

To whip; to scourge; to flog.

Source: Webster's Revised Unabridged Dictionary (1913)