/ Dictionary / Index W work-hour: Meaning and Definition of Find definitions for: work-hour Pronunciation: (wûrk'our", -ou"ur), [key] — n. any of the hours of a day during which work is done, as in an office, usually between 9 a.m. and 5 p.m. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. workhorse workhouse Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language