/ Dictionary / Index E EOB: Meaning and Definition of Find definitions for: EOB Pronunciation: [key] Executive Office Building. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eoanthropus* Eocene Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language