/ Dictionary / Index O oil paint: Meaning and Definition of Find definitions for: oil' paint" Pronunciation: [key] See a commercial paint in which a drying oil is the vehicle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oil of wintergreen oil painting Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language