/ Dictionary / Index E endometrial aspiration: Meaning and Definition of Find definitions for: endome'trial aspira'tion. Pronunciation: [key] See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endomembrane endometriosis Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language