/ Dictionary / Index X Xanthian: Meaning and Definition of Find definitions for: Xan•thi•an Pronunciation: (zan'thē-un), [key] — adj. of or pertaining to the ancient city of Xanthus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xanthene dye xanthic Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language