/ Dictionary / Index E edema: Meaning and Definition of Find definitions for: e•de•ma Pronunciation: (i-dē'mu), [key] — pl. -mas, -ma•ta effusion of serous fluid into the interstices of cells in tissue spaces or into body cavities. a small surface swelling of plant parts, caused by excessive moisture. any disease so characterized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: edema (Thesaurus) edelweiss Eden Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language