lady day(n = noun.time) annunciation, annunciation day, march 25 - a festival commemorating the announcement of the Incarnation by the angel Gabriel to the Virgin Mary; a quarter day in England, Wales, and Ireland;
is a kind of quarter day
is a part of mar, march

   The day of the annunciation of the Virgin Mary, March 25. See Annunciation. [1913 Webster]

N  regularity of recurrence, periodicity, intermittence, beat, oscillation, pulse, pulsation, rhythm, alternation, alternateness, alternativeness, alternity, bout, round, revolution, rotation, turn, say, anniversary, jubilee, centenary, catamenia, courses, menses, menstrual flux, rota, cycle, period, stated time, routine, days of the week, Sunday, Monday, months of the year, January, feast, fast, Christmas, Easter, New Year's day, Allhallows, Allhallowmas, All Saints' Day, All Souls', All Souls' Day, Ash Wednesday, bicentennial, birthday, bissextile, Candlemas, Dewali, groundhog day, Halloween, Hallowmas, Lady day, leap year, Midsummer day, Muharram, woodchuck day, St. Swithin's day, natal day, yearbook, yuletide, punctuality, regularity, steadiness, periodic, periodical, serial, recurrent, cyclical, rhythmical, recurring, intermittent, remittent, alternate, every other, hourly, diurnal, daily, quotidian, tertian, weekly, hebdomadal, hebdomadary, biweekly, fortnightly, bimonthly, catamenial, monthly, menstrual, yearly, annual, biennial, triennial, centennial, secular, paschal, lenten, regular, steady, punctual, regular as clockwork, periodically, at regular intervals, at stated times, at fixed established, at established periods, punctually, de die in diem, from day to day, day by day, by turns, in turn, in rotation, alternately, every other day, off and on, ride and tie, round and round.

admission day, all day long, all fools' day, all saints' day, all souls' day, alpine lady fern, american indian day, american lady crab, annunciation day, april fools' day, arbor day, armed forces day, armistice day, ascension day, bag lady, bastille day, bissextile day, 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, cleaning lady, columbus day, commencement day, commonwealth day, dancing lady orchid, 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, discovery day, dominion day, each day, easter day, election day, ember day, empire day, english lady crab, every day, fast day, father's day, feast day, fete day, field day, first lady, 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, iron lady, jewish holy day, judgement day, judgment day, labor day, lady, lady beetle, lady bountiful, lady chapel, lady crab, lady diana frances spencer, lady emma hamilton, lady fern, lady friend, lady godiva, lady jane grey, lady killer, lady of pleasure, lady of the house, lady palm, lady peel, lady tulip, lady with the lamp, lammas day, last day, leading lady, leap day, lollipop lady, 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, mother's day, naked as the day one was born, naked as the day you were born, naked lady, name day, natal day, new year's day, night and day, old lady, order of our lady of mount carmel, order of the day, pan american day, pancake day, patriot's day, patriots' day, pink lady, pioneers' day, polling day, poppy day, present day, presidents' day, quarter day, rag day, rainy day, red-letter day, remembrance day, rest day, robert e lee day, rogation day, saint patrick's day, saint valentine's day, saint's day, school day, seize the day, showy lady slipper, sidereal day, six day war, slender lady palm, solar day, speech day, sporting lady, st john's day, st martin's day, st patrick's day, st valentine's day, tag day, term day, texas independence day, thanksgiving day, three kings' day, time of day, transfiguration day, twelfth day, 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, work day, working day, young lady