/ Dictionary / Index O oil field: Meaning and Definition of Find definitions for: oil' field" Pronunciation: [key] an area in which there are large deposits of oil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oilfield (Thesaurus) oiler oilfish Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language