What is the meaning of flagellate?

noun

• A usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals.
  • synonyms: flagellate protozoan, flagellated protozoan, mastigophoran, mastigophore

verb

• Whip.
  • usage: "The religious fanatics flagellated themselves"
  • synonyms: scourge

adjective

• Having or resembling a lash or whip (as does a flagellum. ).
  • synonyms: flagellated, whiplike, lash-like