major fast day(n = noun.time) - one of two major fast days on the Jewish calendar;
is a kind of fast day
has particulars: day of atonement, yom kippur, fast of ab, fast of av, ninth of ab, ninth of av, tisha b'ab, tisha b'av, tishah b'ab, tishah b'av

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, ascension day, astrantia major, bastille day, bissextile day, boxing day, break of day, break of the day, by the day, c major, c major scale, calendar day, call it a day, candlemas day, canis major, childermas day, christian holy day, christmas day, citizenship day, civil day, clarence day, clarence shepard day jr., class day, clusia major, 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, discovery day, dominion day, drum major, each day, easter day, election day, ember day, empire day, epilepsia major, every day, fast, fast and loose, fast asleep, fast break, fast buck, fast day, fast dye, fast food, fast lane, fast of ab, fast of av, fast of esther, fast of gedaliah, fast of tammuz, fast of tevet, fast of the firstborn, fast one, fast reactor, fast time scale, fast track, father's day, feast day, fete day, field day, flag day, forever and a day, future day, gain the day, good day, groundhog day, guy fawkes day, hard and fast, high holy day, hold fast, holy day, holy day of obligation, holy innocents' day, inauguration day, independence day, innocents' day, jewish holy day, john major, john r. major, john roy major, judgement day, judgment day, labor day, lady day, lammas day, last day, leap day, lord's day, lunar day, major, major affective disorder, major axis, major depressive episode, major diatonic scale, major form class, major general, major key, major league, major leaguer, major lobe, major mode, major planet, major power, major premise, major premiss, major scale, major suit, major surgery, major term, major tranquilizer, major tranquilliser, major tranquillizer, 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, musculus pectoralis major, musculus rhomboideus major, musculus teres major, 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, pan american day, pancake day, patriot's day, patriots' day, pectoralis major, pioneers' day, pipe major, plantago major, polling day, poppy day, present day, presidents' day, publius cornelius scipio africanus major, pull a fast one, pull a fast one on, quarter day, rag day, rainy day, red-letter day, remembrance day, rest day, rhomboideus major muscle, robert e lee day, rogation day, saint patrick's day, saint valentine's day, saint's day, scale of c major, school day, scipio africanus major, seize the day, sergeant major, sidereal day, six day war, solar day, speech day, st john's day, st martin's day, st patrick's day, st valentine's day, stand fast, tag day, teres major, teres major muscle, term day, texas independence day, thalassaemia major, thalassemia major, thanksgiving day, three kings' day, time of day, transfiguration day, twelfth day, united nations day, unlucky day, ursa major, v-e day, v-j day, valentine day, valentine's day, variola major, variola major virus, very fast, veterans day, veterans' day, victoria day, victory day, vinca major, vis major, washing day, wedding day, work day, working day