work day(n = noun.time) workday, working day - a day on which work is done;
is a kind of weekday

admission day, all day long, all fools' day, all saints' day, all souls' day, american indian day, annunciation day, april fools' day, arbor day, armed forces day, armistice day, art work, ascension day, at work, bantam work, bastille day, bissextile day, body of work, boxing day, break of day, break of the day, by the day, calendar day, call it a day, candlemas day, childermas day, christian holy day, christmas day, citizenship day, civil day, clarence day, clarence shepard day jr., class day, cold work, columbus day, commencement day, commonwealth day, day, day after day, day bed, day blindness, day boarder, day book, day by day, day camp, day care, day care center, day game, day in and day out, day in day out, day jessamine, day laborer, day labourer, day lily, day nursery, day of atonement, day of judgement, day of judgment, day of reckoning, day of remembrance, day of rest, day of the month, day of the week, day off, day return, day school, day shift, day watch, decoration day, degree day, detective work, dirty work, discovery day, do work, dominion day, dramatic work, each day, easter day, election day, electrical work, ember day, empire day, every day, fast day, father's day, feast day, fete day, field day, field work, flag day, forever and a day, future day, gain the day, good day, groundhog day, guy fawkes day, high holy day, holy day, holy day of obligation, holy innocents' day, inauguration day, independence day, innocents' day, intelligence work, jewish holy day, judgement day, judgment day, labor day, lady day, lammas day, last day, leap day, line of work, literary work, lord's day, lunar day, major fast day, market day, martin luther king day, may day, mean solar day, memorial day, michaelmas day, midsummer day, midsummer's day, minor fast day, missionary work, mother's day, naked as the day one was born, naked as the day you were born, name day, natal day, new year's day, night and day, order of the day, out of work, pan american day, pancake day, patriot's day, patriots' day, piece of work, pioneers' day, police work, polling day, poppy day, present day, presidents' day, put to work, quarter day, rag day, rainy day, red-letter day, reference work, remembrance day, rest day, robert e lee day, rogation day, sabrina work, saint patrick's day, saint valentine's day, saint's day, school day, scut work, seize the day, sheet-metal work, sidereal day, six day war, social work, solar day, sorrento work, speech day, st john's day, st martin's day, st patrick's day, st valentine's day, table work, tag day, term day, texas independence day, thanksgiving day, three kings' day, time of day, tool-and-die work, transfiguration day, twelfth day, undercover work, united nations day, unlucky day, v-e day, v-j day, valentine day, valentine's day, veterans day, veterans' day, victoria day, victory day, washing day, wedding day, welfare work, work, work against, work animal, work at, work bench, work camp, work flow, work for, work force, work in, work in progress, work of art, work off, work on, work out, work over, work papers, work party, work permit, work shift, work shoe, work song, work stoppage, work study, work surface, work table, work through, work time, work to rule, work toward, work unit, work up, work well, work wonders, working day