season one of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions; "the regular sequence of the seasons"
Christmas -
Christmastide, the Twelve Days of Christmas, the season traditionally from the 24th of December to the 6th of January around the holiday.
Christmas -
The period from the Friday following Thanksgiving to Christmas Eve, busy with shopping and preparations for Christmas.
Christmas -
Christmas season, the end of the year period, busy with shopping and preparations for Christmas.
Wikipedia
Christmas or Christmas Day is a holiday observed mostly on December 25 to commemorate the birth of Jesus, the central figure of Christianity. "Christmas," MSN Encarta. Retrieved October 6, 2008. Archived 2009-10-31.
OmegaWiki Dictionary
Ω
Christmas Annual celebration commemorating the birth of Jesus.