/ Dictionary / Index R round-off: Meaning and Definition of Find definitions for: round-off Pronunciation: (round'ôf", -of"), [key] — Math. Math. —adj. of or pertaining to the act or process of rounding. —n. an act or instance of rounding off decimal or fractional figures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: round-off (Thesaurus) round of beef round robin Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language