/ Dictionary / Index E entasis: Meaning and Definition of Find definitions for: en•ta•sis Pronunciation: (en'tu-sis), [key] — n. Archit. a slight convexity given to a column or tower, as to correct an optical illusion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: entasis (Thesaurus) entanglement Entebbe Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language