/ Dictionary / Index H Herculaneum: Meaning and Definition of Find definitions for: Her•cu•la•ne•um Pronunciation: (hûr"kyu-lā'nē-um), [key] — n. an ancient city in SW Italy, on the Bay of Naples: buried along with Pompeii by the eruption of Mount Vesuvius in a.d. 79; partially excavated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: herculaneum (Thesaurus) Hercegovina herculean Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language