/ Dictionary / Index E extrapyramidal: Meaning and Definition of Find definitions for: ex•tra•py•ram•i•dal Pronunciation: (ek"stru-pi-ram'i-dl), [key] — adj. pertaining to or involving nerve tracts other than the pyramidal tracts, esp. the corpus striatum and its associated structures. located outside the pyramidal tracts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. extraprofessional extrapyramidal system Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language