/ Dictionary / Index E epitaxy: Meaning and Definition of Find definitions for: ep•i•tax•y Pronunciation: (ep'i-tak"sē), [key] — pl. -tax•ies. epitaxis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epitaxy (Thesaurus) epitaxis epithalamion Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language