(US) A day on which a group of students, generally the senior class, leaves the campus and its responsibilities for a day.

(archaic) The days following the heliacal rising of Sirius, now in early August (Gregorian) at dates varying by latitude. / The unpleasantly hot days of late summer.

The feast day of the saint after whom one is named. / (finance) Synonym of ticket day

A period of inexperienced youthful innocence accompanied by enthusiasm and idealism.

The day on which Christmas is celebrated. It is December 25 in the West, and January 7 in some Eastern Orthodox churches.

(chiefly Britain) The Sunday closest to November 11, observed in commemoration of the fallen in the two World Wars.

The United States national holiday in honor of veterans past and present, observed on November 11th.

(Canada, UK, informal) Remembrance Day.

April 25, a public holiday in Australia and New Zealand that originally commemorated the sacrifices made by members of the Australian and New Zealand Army Corps (ANZAC) who fought at Gallipoli against the Ottoman Empire during World War I, and now honours people from those countries who have served in all wars, conflicts, and peacekeeping operations.

A day in a liturgical calendar that is observed in honour of a saint; not necessarily a holiday.