/ Dictionary / Index E ebony spleenwort: Meaning and Definition of Find definitions for: eb'ony spleen'wort Pronunciation: [key] a fern, Asplenium platyneuron, of woody areas of North America, having ladderlike leaves and shiny, dark brown stems. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ebony Eboracum 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