Webster's Revised Unabridged Dictionary · 1913

Flagellate

Flagellate , transitive verb

[Latin flagellatus, past participle of flagellare to scoure, from flagellum whip, dim. of flagrum whip, scoure; compare fligere to strike. Compare Flall.]

To whip; to scourge; to flog.

Flagellate , adjective

1.
Flagelliform.
2.
(Zoology) Of or pertaining to the Flagellata.
3.
Having a flagellum or flagella.