/ Dictionary / Index O onding: Meaning and Definition of Find definitions for: on•ding Pronunciation: (on'ding), [key] — n. Scot. the act of continued outpouring or falling; a continuing torrent, as of rain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ondine ondograph 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