/ Dictionary / Index P palm oil: Meaning and Definition of Find definitions for: palm' oil" Pronunciation: [key] a yellow butterlike oil derived from the fruit of the oil palm and used as an edible fat and for making soap, candles, etc. oil obtained from various species of palm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. palm leaf Palm Springs Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language