(Christianity, Islam, Judaism) The Last Judgment, Final Judgment, final trial of all humankind, both the living and dead by God expected to take place at the end of the world, when each is rewarded or punished according to his or her merits.

(idiomatic) recently; lately; a few days ago.

(Philippines) the day before yesterday.

(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)

Used other than figuratively or idiomatically: see market, day. / The day of the week in which a market is held in some particular location.

(Canada) A holiday, originally to give thanks to God for the harvest, celebrated annually on the second Monday of October.

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.

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.

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