/ Dictionary / Index S soybean milk: Meaning and Definition of Find definitions for: soy'bean milk" Pronunciation: [key] a milk substitute made of soy flour and water, used esp. in the making of tofu. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. soybean soybean oil Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language