/ Dictionary / Index O ophidian: Meaning and Definition of Find definitions for: o•phid•i•an Pronunciation: (ō-fid'ē-un), [key] — adj. belonging or pertaining to the suborder Ophidia (Serpentes), comprising the snakes. —n. a snake. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ophidian (Thesaurus) ophicleide ophidiid Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language