Breadcrumb Home > Dictionary > Index P Purkinje cell: Meaning and Definition of Find definitions for: Pur•kin'je cell" Pronunciation: (pur-kin'jē), [key] — Biol. Biol. a large, densely branching neuron in the cerebellar cortex of the brain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. purity Purkinje fiber ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language