(US) A day when one is permitted to not attend work in order to go on a vacation or attend to other matters.

Victory in Europe day; the anniversary of the end of the Second World War in Europe, 8 May 1945.

(historical) 6 June 1944, the date when the Allies invaded western Europe in World War II.

(astronomy) one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)

An extra day intercalated into a year, especially the day intercalated into the Julian calendar every fourth year and into the Gregorian calendar every fourth year excepting centuries not divisible by 400, usually reckoned as February 29th.

(dated, formal) A somewhat formal greeting generally used between sunrise and sunset. / (dated, formal) A dismissal; sometimes used to express annoyance.

(idiomatic) In summary; ultimately.

formerly, a day of the week on which a household’s laundry would be washed and dried; traditionally a Monday in Britain

A holiday celebrated in the United States commemorating the country's independence from Great Britain, celebrated each year on the 4th of July.

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