flagellum: Meaning and Definition of

fla•gel•lum

Pronunciation: (flu-jel'um), [key]
— pl. -gel•la -gel•lums.
  1. a long, lashlike appendage serving as an organ of locomotion in protozoa, sperm cells, etc.
  2. a runner.
  3. Also called(in an antenna) the whiplike portion above the basal joints.
  4. a whip or lash.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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