/ Dictionary / Index E epidermis: Meaning and Definition of Find definitions for: ep•i•der•mis Pronunciation: (ep"i-dûr'mis), [key] — n. the outer, nonvascular, nonsensitive layer of the skin, covering the true skin or corium. the outermost living layer of an animal, usually composed of one or more layers of cells. a thin layer of cells forming the outer integument of seed plants and ferns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epidermis (Thesaurus) epidendrum epidiascope Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language