/ Dictionary / Index A arenite: Meaning and Definition of Find definitions for: ar•e•nite Pronunciation: (ar'u-nīt", u-rē'-), [key] — n. Geol. psammite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arenicolous arenose Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language