/ Dictionary / Index I I.L.W.U.: Meaning and Definition of Find definitions for: I.L.W.U. Pronunciation: [key] International Longshoremen's and Warehousemen's Union. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Il Trovatore* I'm 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