/ Dictionary / Index C cytosine arabinoside: Meaning and Definition of Find definitions for: cy'tosine ar•a•bin'o•side Pronunciation: (ar"u-bin'u-sīd", u-rab'u-nō-), [key] — Pharm. Pharm. cytarabine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cytosine cytoskeleton Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language