/ Dictionary / Index E Etna: Meaning and Definition of Find definitions for: Et•na Pronunciation: (et'nu), [key] — n. an active volcano in E Sicily. 10,758 ft. (3280 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: etna (Thesaurus) etiquette ETO Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language