/ Dictionary / Index O oilcan: Meaning and Definition of Find definitions for: oil•can Pronunciation: (oil'kan"), [key] — n. a can having a long spout through which oil is poured or squirted to lubricate machinery or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oilcan (Thesaurus) oil cake Oil City 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