/ Dictionary / Index E erector: Meaning and Definition of Find definitions for: e•rec•tor Pronunciation: (i-rek'tur), [key] — n. a person or thing that erects. a muscle that erects the body or one of its parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. erective Erector Set Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language