/ Dictionary / Index P papilla: Meaning and Definition of Find definitions for: pa•pil•la Pronunciation: (pu-pil'u), [key] — pl. -pil•lae any small, nipplelike process or projection. one of certain small protuberances concerned with the senses of touch, taste, and smell: the papillae of the tongue. a small vascular process at the root of a hair. a papule or pimple. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: papilla (Thesaurus) papilionaceous papillary Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language