/ Dictionary / Index I -ivus: Meaning and Definition of Find definitions for: -ivus Pronunciation: [key] a suffix appearing in Latin scientific names:Cf. -ive. exfoliativus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ivory-white ivy Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language