/ Dictionary / Index E epithalamium: Meaning and Definition of Find definitions for: ep•i•tha•la•mi•um Pronunciation: (ep"u-thu-lā'mē-um), [key] — pl. -mi•ums, -mi•a epithalamion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epithalamium (Thesaurus) epithalamion epithalamus Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language