/ Dictionary / Index E entresol: Meaning and Definition of Find definitions for: en•tre•sol Pronunciation: (en'tur-sol", än'tru-, en'- Fr. än-tru-sôl'), [key] — pl. -sols a low floor between two higher floors, the lower one usually being a ground floor; mezzanine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: entresol (Thesaurus) entrepreneur entropy 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