/ Dictionary / Index E Essequibo: Meaning and Definition of Find definitions for: Es•se•qui•bo Pronunciation: (es"i-kwē'bō), [key] — n. a river flowing from S Guyana N to the Atlantic. ab. 550 mi. (885 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. esse quam videri* Essex Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language