/ Dictionary / Index P perilla oil: Meaning and Definition of Find definitions for: peril'la oil" Pronunciation: [key] a light yellow oil, obtained from the seeds of mints of the genus Perilla, used in the Orient as a cooking oil and elsewhere in the manufacture of varnish, printing ink, and artificial leather. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perilla perilous Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language