/ Dictionary / Index A arenicolous: Meaning and Definition of Find definitions for: ar•e•nic•o•lous Pronunciation: (ar"u-nik'u-lus), [key] — adj. inhabiting sand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arenicolous (Thesaurus) Arendt arenite 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