/ Dictionary / Index E elephant folio: Meaning and Definition of Find definitions for: el'ephant fo"lio Pronunciation: [key] — Print. Print. a very large folio. an American book size with a height measurement between 24 and 25 in. (61 and 63.5 cm). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. elephant fish elephant grass Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language