/ Dictionary / Index I ipil-ipil: Meaning and Definition of Find definitions for: i•pil-i•pil Pronunciation: (ē'pul-ē'pul), [key] — n. a fast-growing tropical tree, Leucaena leucocephala, of the legume family, that is a source of fertilizer, animal feed, and timber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ipiales Ipin Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language