A festival/holiday commemorating the birth of Jesus Christ and incorporating various Christian, pre-Christian, pagan and secular customs, which is celebrated on December 25 in most places.

(US) Red and green (traditional Christmas colors), especially red and green chile sauce in New Mexican cuisine.

plural of Christmas light

The evening before Christmas Day. / The day before Christmas Day.

Used to express good wishes on or before Christmas Day.

A conifer used during the Christmas holiday season, typically decorated with lights and ornaments and often a star or angel at its tip.

A person from Christmas Island, or having that ancestry.

Alternative form of Merry Christmas

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

Used other than figuratively or idiomatically: see Christmas, present.