/ Dictionary / Index E explanatory: Meaning and Definition of Find definitions for: ex•plan•a•to•ry Pronunciation: (ik-splan'u-tôr"ē, -tōr"ē), [key] — adj. serving to explain: an explanatory footnote. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: explanatory (Thesaurus) explanation explant Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language