/ Dictionary / Index B basal body: Meaning and Definition of Find definitions for: ba'sal bod"y Pronunciation: [key] — Cell Biol. Cell Biol. a cylindrical organelle, within the cytoplasm of flagellated and ciliated cells, that contains microtubules and forms the base of a flagellum or cilium: identical in internal structure to a centriole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. basal basal cell Related Content Daily Word Quiz: prevalent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language