/ Dictionary / Index A atherine: Meaning and Definition of Find definitions for: ath•er•ine Pronunciation: (ath'u-rīn", -ur-in), [key] — adj. belonging or pertaining to the family Atherinidae, comprising the silversides. —n. an atherine fish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atherectomy athero- Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language