/ Dictionary / Index O oil of the sick: Meaning and Definition of Find definitions for: oil' of the sick' Pronunciation: [key] holy oil used in the sacrament of extreme unction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oil of lavender oil of turpentine Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language