/ Dictionary / Index E ergo: Meaning and Definition of Find definitions for: er•go Pronunciation: (ûr'gō, er'gō), [key] therefore. ergo- Pronunciation: [key] a combining form meaning “work”: ergograph. ergo- Pronunciation: [key] a combining form ofergotoxine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ergo (Thesaurus) -ergic ergodic Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language