/ Dictionary / Index R rape oil: Meaning and Definition of Find definitions for: rape' oil" Pronunciation: [key] — Chem. Chem. a brownish-yellow oil obtained by expression from rapeseed and used chiefly as a lubricant, an illuminant, and in the manufacture of rubber substitutes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rape of the Lock, The* rapeseed Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language