/ Dictionary / Index P perilla: Meaning and Definition of Find definitions for: pe•ril•la Pronunciation: (pu-ril'u), [key] — n. any of several aromatic Asian plants belonging to the genus Perilla, of the mint family, esp. P. frutescens, which has become naturalized in the eastern U.S. and from which perilla oil is obtained. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: perilla (Thesaurus) peril perilla oil Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language