/ Dictionary / Index C chili oil: Meaning and Definition of Find definitions for: chil'i oil" Pronunciation: [key] an edible oil spiced with chili peppers, often used in Chinese cookery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Chilin chili pepper Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language