/ Dictionary / Index W whey: Meaning and Definition of Find definitions for: whey Pronunciation: (hwā, wā), [key] a milk serum, separating as liquid from the curd after coagulation, as in cheese making. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whey (Thesaurus) whewellite wheyey Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language